Players ATPWTA
| Name | Country |
|---|---|
| Sadio Doumbia | FRA |
| Oleg Dovgan | UKR |
| Dan Dowson | AUS |
| Marin Draganja | CRO |
| Tomislav Draganja | CRO |
| Jack Draper | GBR |
| Liam Draxl | CAN |
| Titouan Droguet | FRA |
| Karol Drzewiecki | POL |
| Shibo Du | CHN |
| Riaan Du Toit | CAN |
| Julien Dubail | BEL |
| Maxim Dubarenco | MDA |
| Artur Dubinski | BLR |
| Vladislav Dubinsky | RUS |
| Artem Dubrivnyy | RUS |
| Anton Dubrov | BLR |
| James Duckworth | AUS |
| Loic Ducourau | FRA |
| Robert Dudley | IRL |
| Daniel Dudockin | ISR |
| Daniiar Duldaev | KGZ |
| Dan Dumitrascu | ROU |
| Marin Dumitru | AUS |
| Scott Duncan | GBR |
| Walker Duncan | USA |
| Guillermo Duran | ARG |
| Viktor Durasovic | NOR |
| Besir Durguti | MKD |
| Durukan Durmus | TUR |
| Farrukh Dustov | UZB |
| Daniel Dutra da Silva | BRA |
| Rogerio Dutra Silva | BRA |
| Shalva Dzhanashiya | RUS |
| Yurii Dzhavakian | UKR |
| Damir Dzumhur | BIH |
| Jake Eames | AUS |
| Matthew Ebden | AUS |
| Colin Ebelthite | AUS |
| Moez Echargui | TUN |
| Mauricio Echazu | PER |
| Konstantinos Economidis | GRE |
| Simon Ede | AUS |
| Kyle Edmund | GBR |
| Jeremy Efferding | USA |
| Efthimios Efthimiadis | AUS |
| Franco Emanuel Egea | ARG |
| Daniel Eger | AUT |
| Carl Eguez | USA |
| Hiroyasu Ehara | JPN |