| Name: | Demian Maia |
| Alias: | — |
| Nation: | Brazil |
| Team: | Demian Maia Jiu-Jitsu |
| Weight Class: | Welterweight |
| Born: | November 6, 1977 |
| Height: | 72.00 in / 182.88 cm |
| Weight: | 170.0 lbs / 77.10 kg |
| Reach: | 72.00 in / 182.88 cm |
| Leg Reach: | 42.00 in / 106.68 cm |
| Pro MMA debut: | September 21, 2001 |
| MMA Record: | Sherdog |