- D' Ornellas, Ian C.: Certified Tester - Foundation Level
- D'Addario, Livia: Certified Tester - Foundation Level
- D'Alessio, Darin James: Certified Tester - Foundation Level
- d'Entremont, Nanette: Certified Tester - Foundation Level
- D'Souza, Juliet: Certified Tester - Foundation Level
- D'souza, Michael: Certified Tester - Agile Tester
- D'souza, Michael: Certified Tester - Foundation Level
- Da Ponte, Maryline: Certified Tester - Foundation Level
- da Silva, Leonardo Gabriel: Certified Tester - Foundation Level
- Dabburi, Sai: Certified Tester - Foundation Level
- Dadwal, Seema: Certified Tester - Foundation Level
- Daguerre, Joel: Certified Tester - Foundation Level
- Dahiya, Navin: Certified Tester - Foundation Level
- Dalela, Sudeep: Certified Tester - Foundation Level
- Dalvi, Abhay: Certified Tester - Foundation Level
- Dalwadi, Bhumi: Certified Tester - Foundation Level
- Dam, Shallen: Certified Tester - Foundation Level
- Damian, Lidia: Certified Tester - Foundation Level
- Dandiwal, Suman: Certified Tester - Foundation Level
- Dandiwal, Suman: Certified Tester - Agile Tester
- Dangeti, Venkata Ramesh: Certified Tester - Foundation Level
- Dangi, Apeksha: Certified Tester - Foundation Level
- Dantes, Maice Marinel: Certified Tester - Foundation Level
- Darbha, Sainitya: Certified Tester - Foundation Level
- Darji, Devang: Certified Tester - Agile Tester
- Darji, Devang: Certified Tester - Foundation Level
- Darji, Krunal: Certified Tester - Foundation Level
- Darji, Krunal: Certified Tester - Agile Tester
- Dark, Joseph Angelo: Certified Tester - Foundation Level
- Darragh-Gander, Sharon: Certified Tester - Foundation Level
- Darragh-Gander, Sharon: Advanced Level - Test Analyst
- Das, Akshita: Certified Tester - Foundation Level
- Das, Maitryee: Certified Tester - Foundation Level
- Das, Poulami: Certified Tester - Foundation Level
- Das, Sanjay: Certified Tester - Foundation Level
- Dasari, Sarath Babu: Certified Tester - Foundation Level
- Dass, Prabhakar: Certified Tester - Foundation Level
- Datt, Manish: Certified Tester - Foundation Level
- Datta, Subhayan: Certified Tester - Foundation Level
- Datye, Ashna: Certified Tester - Foundation Level
- Dave, Bhoomika: Certified Tester - Foundation Level
- Dave, Darshan: Certified Tester - Foundation Level
- Dave, Janaki: Certified Tester - Foundation Level
- Dave, Preetiben: Advanced Level - Test Manager
- Dave, Preetiben: Certified Tester - Foundation Level
- Dave, Shruti: Certified Tester - Foundation Level
- Davelalitkumar, Hitesh: Certified Tester - Foundation Level
- David, George Daniel: Certified Tester - Foundation Level
- Davis, Luke K.: Certified Tester - Foundation Level
- Dayasundara, Ranjit: Certified Tester - Foundation Level
- Daza, Denize: Certified Tester - Foundation Level
- De Amicis, Franco: Certified Tester - Foundation Level
- de Bellefeuille, Marielle Lisette: Certified Tester - Foundation Level
- De Castro, Czarinna: Certified Tester - Foundation Level
- De Guise, Annie: Certified Tester - Foundation Level
- de Leon, Rhoneil Victor: Certified Tester - Foundation Level
- De Merchant, Betty: Certified Tester - Foundation Level
- De Siqueira Campos Araujo, Andrea: Certified Tester - Foundation Level
- De Tina, Emilio: Certified Tester - Foundation Level
- Dean, Taylor William: Certified Tester - Foundation Level
- Deb, Indira: Certified Tester - Foundation Level
- Deb, Sushmita: Certified Tester - Foundation Level
- DeBarto, Natalie Louise: Certified Tester - Foundation Level
- Debian, Osama: Certified Tester - Foundation Level
- Debnath, Dipon C.: Certified Tester - Foundation Level
- DeCastro, Joseph Alan: Certified Tester - Foundation Level
- Decdeli, Can: Certified Tester - Foundation Level
- Decena, Erlita: Certified Tester - Foundation Level
- Dedam, Whitney J. Gwendolen: Certified Tester - Foundation Level
- Deekaram, Anandha Kumar : Certified Tester - Foundation Level
- Deep, Prakash: Certified Tester - Foundation Level
- Deep, Prakash: Certified Tester - Agile Tester
- Deepavali, Madhusudhan: Certified Tester - Foundation Level
- Deepika, Deepika: Certified Tester - Foundation Level
- Degaust, Roberta Marie: Certified Tester - Foundation Level
- Degheili, Mohamad Jawad : Certified Tester - Foundation Level
- Dehal, Inderjit Singh: Certified Tester - Foundation Level
- Dehghani, Marjan: Certified Tester - Foundation Level
- Dehghani, Siavash: Certified Tester - Foundation Level
- Dehquani, Neha: Certified Tester - Foundation Level
- del Mundo, Alan: Certified Tester - Foundation Level
- Delicieux, Donald: Certified Tester - Agile Tester
- Delicieux, Donald: Certified Tester - Foundation Level
- Delisle, Francois: Certified Tester - Foundation Level
- Deliwala, Labdhi: Certified Tester - Foundation Level
- Delvi, Rabiya: Certified Tester - Foundation Level
- Demarchi, Chris Eric: Certified Tester - Foundation Level
- Demas, Natalie: Certified Tester - Foundation Level
- Demers, Regis: Certified Tester - Foundation Level
- Deng, Chao: Certified Tester - Foundation Level
- Deng, Wen: Certified Tester - Foundation Level
- Denic-Petrovic, Gordana: Certified Tester - Foundation Level
- Dennis-Priganica, Nathalia: Certified Tester - Foundation Level
- Deol, Sukhwinder Kaur: Certified Tester - Foundation Level
- Depa, Latha: Certified Tester - Foundation Level
- Dermanska, Iryna: Advanced Level - Test Analyst
- Derrah, Jayme: Certified Tester - Foundation Level
- Dertinger, Noreen: Certified Tester - Foundation Level
- Dervishyan, Arsen: Certified Tester - Foundation Level
- Des Bois, Vincent: Certified Tester - Foundation Level
- Desai, Jahnavi: Certified Tester - Foundation Level
- Desai, Jaykumar: Certified Tester - Foundation Level
- Desai, Preyas V.: Certified Tester - Foundation Level
- Desai, Vaidehi: Certified Tester - Foundation Level
- Desai, Zankhana: Certified Tester - Foundation Level
- Deshmukh, Rashmi: Certified Tester - Foundation Level
- Deshmukh, Swati: Certified Tester - Foundation Level
- Deslauriers, Cydney Colleen: Certified Tester - Foundation Level
- Destine, Olson Jean Judner: Certified Tester - Foundation Level
- Desulme, Ralf: Certified Tester - Foundation Level
- Deva, Vinay Kumar: Certified Tester - Foundation Level
- DEVA DOSS, ANBU KUMAR: Certified Tester - Foundation Level
- Devadoss, Archana: Certified Tester - Foundation Level
- Devalapurkar, Gayathri: Certified Tester - Foundation Level
- Devanandan, Edward: Certified Tester - Foundation Level
- Devarajan, Jeyadevi: Certified Tester - Foundation Level
- Devarapalli, Christian: Certified Tester - Foundation Level
- Devassy, Dhanyamol: Certified Tester - Foundation Level
- Devers, Cheryl: Certified Tester - Foundation Level
- Devgan, Rajneesh: Certified Tester - Foundation Level
- Devgan, Staffy: Certified Tester - Foundation Level
- Devi, Divya: Certified Tester - Foundation Level
- Devi, Sushila: Certified Tester - Agile Tester
- Devikumari, Bhagavathi: Certified Tester - Foundation Level
- Dewan, Sakshi: Certified Tester - Foundation Level
- Dewan, Sakshi: ASTQB Certified Mobile Tester
- Dewan, Zobeda Begum: Certified Tester - Foundation Level
- DeWolfe, Mark Geoffrey: Certified Tester - Foundation Level
- Dey, Rumi: Certified Tester - Agile Tester
- Deyzel, Werner: Certified Tester - Foundation Level
- Deyzel, Werner: Certified Tester - Agile Tester
- Dhage Narayan, Nitin: Certified Tester - Foundation Level
- Dhakal, Bal Krishna: Certified Tester - Foundation Level
- Dhaliwal, Gobind: Certified Tester - Foundation Level
- Dhaliwal, Gurlal Singh: Certified Tester - Foundation Level
- Dhaliwal, Jaspreet: Certified Tester - Foundation Level
- Dhaliwal, Mandeep: Certified Tester - Foundation Level
- Dhaliwal, Paul: Certified Tester - Foundation Level
- Dhaliwal, Raminder: Certified Tester - Foundation Level
- Dhammi, Meenakshi: Certified Tester - Foundation Level
- Dhandapani, Tamilselvi: Certified Tester - Foundation Level
- Dhanesar, Manmeet Kaur: Certified Tester - Foundation Level
- Dhanoa, Harsimran Singh: Certified Tester - Foundation Level
- Dhanota, Ravinderpal: Certified Tester - Foundation Level
- Dhar, Akshi: Certified Tester - Foundation Level
- Dhareshwar, Lalita: Certified Tester - Agile Tester
- Dhareshwar, Lalita: Certified Tester - Foundation Level
- Dhasmana, Nidhi: Certified Tester - Foundation Level
- Dhawan, Girish: Certified Tester - Foundation Level
- Dhawan, Shweta: Certified Tester - Foundation Level
- Dheer, Sumati: Certified Tester - Foundation Level
- Dhillon, Amandeep Singh: Certified Tester - Agile Tester
- Dhillon, Amandeep Singh: Certified Tester - Foundation Level
- Dhillon, Amandeep Singh: Advanced Level - Test Manager
- Dhillon, Jasmeet: Certified Tester - Foundation Level
- Dhindsa, Harmeet Kaur: Certified Tester - Foundation Level
- Dhingra, Jasline: Certified Tester - Foundation Level
- Dhingra, Lokesh: Certified Tester - Agile Tester
- Dhir, Raghav: Certified Tester - Foundation Level
- Dhir, Saajan: Certified Tester - Foundation Level
- Dhivakar, Janaki: Certified Tester - Foundation Level
- Dholariya, Kavitaben : Certified Tester - Foundation Level
- Diallo, Mamadou Bobo: Certified Tester - Foundation Level
- Dias, Andre: Certified Tester - Foundation Level
- DIMACULANGAN, CLEOFE GRACE: Certified Tester - Foundation Level
- DIMACULANGAN, CLEOFE GRACE: Certified Tester - Foundation Level
- Dimitrijevic, Aleksandar: Certified Tester - Foundation Level
- Dinesh, Bindu: Certified Tester - Foundation Level
- Ding, Daiyi: Certified Tester - Foundation Level
- Ding, Lina: Certified Tester - Agile Tester
- Ding, Lina: ASTQB Certified Mobile Tester
- Ding, Lina: Certified Tester - Foundation Level
- Ding, Ning: Certified Tester - Foundation Level
- Direktorenko, Artem: Certified Tester - Foundation Level
- Discepola, Claudio: Certified Tester - Foundation Level
- Discepola, Claudio: Certified Tester - Foundation Level
- Dixit, Jignasa: Certified Tester - Foundation Level
- Dixon, Christopher Richard: Certified Tester - Foundation Level
- Dixon, Mervin: Certified Tester - Foundation Level
- Dizon, Lyzander: Certified Tester - Foundation Level
- Djanko, Firmin: Certified Tester - Foundation Level
- Djaou, Firdous: Certified Tester - Foundation Level
- Djorgon, Ivan: Certified Tester - Foundation Level
- Djouad, Zoheir: Certified Tester - Foundation Level
- Dmitrovic, Djuro: Certified Tester - Foundation Level
- Doad, Randeep: Certified Tester - Foundation Level
- Dobariya, Sandip: Certified Tester - Foundation Level
- Dobre, Adriana Simona: Certified Tester - Foundation Level
- Dobre, Adriana Simona: Certified Tester - Agile Tester
- Dobre, Mihaela: Certified Tester - Foundation Level
- Dobrowolski, Mark: Certified Tester - Mobile Application Testing
- Doi, Franco: Certified Tester - Foundation Level
- Dokoukina, Alla: Certified Tester - Foundation Level
- Dokoukine, Maxim: Certified Tester - Foundation Level
- Dokuparthy, Spoorthy: Certified Tester - Foundation Level
- Dominic, Dani: Certified Tester - Foundation Level
- Dommer, Dillon: Certified Tester - Foundation Level
- Dondo, Paul: Certified Tester - Foundation Level
- Donevski, Marija: Certified Tester - Foundation Level
- Dong, Jingying: Certified Tester - Foundation Level
- Dong, Yue: Certified Tester - Foundation Level
- Dong, Yue: Advanced Level - Test Analyst
- Dong, Yuxia: Certified Tester - Foundation Level
- Donkers, Lennard: Certified Tester - Foundation Level
- Donovan, Barbara Anna: Certified Tester - Foundation Level
- Donovan, Barbara Anna: Advanced Level - Test Manager
- Donovan, Barbara Anna: Advanced Level - Test Analyst
- Donovan, Kevin Gordon: Certified Tester - Foundation Level
- Dos Santos, Stephen: Certified Tester - Foundation Level
- Dosani, Swapna: Certified Tester - Foundation Level
- Doshi, Nikunj: Certified Tester - Foundation Level
- Doss, Ruban: Certified Tester - Foundation Level
- Dossa, Hamida: Certified Tester - Foundation Level
- Doucet, Martin: Certified Tester - Foundation Level
- Douglas, Carol: Certified Tester - Foundation Level
- Douglas, Cayla Michelle: Certified Tester - Foundation Level
- Douglas, Kyle: Certified Tester - Foundation Level
- Douglas, Kyle: Certified Tester - Agile Tester
- Dowler, Jason P: Certified Tester - Foundation Level
- Doyle, Kate: Certified Tester - Foundation Level
- Doyle, Monique: Certified Tester - Foundation Level
- Doyle, Valerie: Certified Tester - Foundation Level
- Drablos, Lars: Certified Tester - Foundation Level
- Drake, Jason: Certified Tester - Foundation Level
- Drake, Todd: Certified Tester - Foundation Level
- Drenea, Andreea: Advanced Level - Test Analyst
- Drinkwater, Peter: Certified Tester - Foundation Level
- Driver-Laframboise, Kelly: Certified Tester - Foundation Level
- Drljevic, Janko: Certified Tester - Foundation Level
- Drobotenko, Lubov: Certified Tester - Foundation Level
- Dronavalli, Sai Charan: Certified Tester - Foundation Level
- Droogh, Tyson Robert: Certified Tester - Foundation Level
- Drought, Erin: Certified Tester - Foundation Level
- Druyan, Inna: Certified Tester - Foundation Level
- Du, Wei Lin: Advanced Level - Technical Test Analyst
- Du, Wei Lin: Advanced Level - Test Analyst
- Du, Wei Lin: Advanced Level - Test Manager
- Du, Wei Lin: Certified Tester - Foundation Level
- Du, Wei Lin: Certified Tester - Agile Tester
- Du, Wei Lin: Full Advanced
- Dube, Frederick: Certified Tester - Foundation Level
- Dubetz, Vivian Lynn: Advanced Level - Test Manager
- Dubetz, Vivian Lynn: Certified Tester - Foundation Level
- Dubey, Nidhi: Certified Tester - Foundation Level
- Dubois, Stephen James: Certified Tester - Foundation Level
- Duddempudi, Ajitha: Certified Tester - Foundation Level
- Dudgeon-Craise, Sylvia: Certified Tester - Foundation Level
- Dudzik, Hanna: Certified Tester - Foundation Level
- Dufau, Daniel: Advanced Level - Technical Test Analyst
- Dufau, Daniel: Certified Tester - Performance Tester
- Duffy, Paul: Certified Tester - Foundation Level
- Dufour, Sebastien: Certified Tester - Foundation Level
- Dufresne-wade, Laurie: Certified Tester - Foundation Level
- Dugal, Michel: Certified Tester - Foundation Level
- Duggal, Neenu: Certified Tester - Foundation Level
- Duggisetty , Dhyanitha Manavya: Certified Tester - Foundation Level
- Dumitrache, Catalina: Certified Tester - Foundation Level
- Duncan, Carly: Certified Tester - Foundation Level
- Duntsova, Yulia: Certified Tester - Foundation Level
- Duntsova, Yulia: Certified Tester - Agile Tester
- Duplantis, Jean-Phillipe: Certified Tester - Foundation Level
- Durães, Márcio: Certified Tester - Foundation Level
- Dutta, Neeraj: Certified Tester - Foundation Level
- Dutta, Srinwanti: Certified Tester - Foundation Level
- Duval, Cyril: Certified Tester - Foundation Level
- Duvvuru, Swetha: Certified Tester - Foundation Level
- Dwivedi, Neelam: Certified Tester - Foundation Level
- Dwivedi, Neelam: Certified Tester - Agile Tester
- Dwivedi, Sakshi: Certified Tester - Foundation Level
- Dy, Hansel Chua: Certified Tester - Foundation Level
- Dzikushyna, Kira: Certified Tester - Foundation Level