Poids Moyens Hommes
 | Robert Hale | 0-1-0 REC | #7082 |  |
 | Robert Pukac | 6-8-0 REC | #894 |  |
 | Robert Valentin | 2-3-0 UFC | #237 |  |
 | Robert Valiev | 0-2-0 REC | #5514 |  |
 | Robin Roos | 0-3-0 REC | #3913 |  |
 | Rodolfo Vieira | 6-5-0 UFC | #1005 |  |
 | Rodrigo Ruas | 0-1-0 UFC | #6333 | |
 | Roger Gracie | 0-1-0 UFC | #4094 | |
 | Roger Narvaez | 1-2-0 UFC | #3936 | |
 | Roggy Lawson | 1-0-0 REC | #7966 |  |
 | Roman Kopylov | 7-5-0 UFC | #445 | |
 | Romero Cotton | 1-2-0 REC | #5584 | |
 | Romulo Oliveira | 0-1-0 REC | #6874 | |
 | Ron Stallings | 1-2-0 UFC | #4034 | |
 | Ronaldo Souza | 9-7-0 UFC | #997 | |
 | Rory Markham | 1-2-0 UFC | #4024 | |
 | Rory Singer | 2-2-0 UFC | #4120 | |
 | Royce Alger | 0-2-0 UFC | #5031 | |
 | Rudyard Moncayo | 0-1-0 UFC | #7083 | |
 | Ruslan Shamilov | 4-0-0 REC | #554 | |