D
| Name | Seasons | World Championships | National Championships | Races | Wins |
|---|---|---|---|---|---|
| Craig Dack | 1996-2006 | - | - | - | - |
| Martin Davalos | - | - | - | - | - |
| Roger De Coster | 1966-1980 | 500cc- 1971-1973, 1975, 1976 | Belgian 500cc- 1966 | - | 37 |
| Ken De Dycker | 1999-2007 | - | British MX1-2006 | - | - |
| Yves Demaria | 1993-2008 | MX3- 2004, 2006, 2007 | - | - | 37 |
| Gilbert De Roover | - | - | - | - | 3 |
| Clement Desalle | - | - | Belgian Champion 2009 | - | 2GP wins |
| John DeSoto | 1969 - 1975 | - | - | - | - |
| Tony DiStefano | 1973-1981 | - | AMA 250cc- 1975-1977 | - | 16 |
| Jamie Dobb | 1987-2004 | 125cc- 2001 | British 125cc-1989, 1998-1999 | - | 11 |
| Gert van Doorn | - | - | - | - | 6 |
| John Dowd | 1986-2006 | - | - | - | - |
| John Draper | - | - | - | - | 5 |
| Doug Dubach | - | 1998, 1999, 2000, 2002 Four Stroke World Champion | - | - | - |
| Ryan Dungey | 2006–present | FIM SX - 2010 | AMA SX Lites West - 2009 AMA 250 - 2009 AMA SX - 2010 AMA 450 - 2010 |
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Read more about this topic: List Of Motocross Riders