| Mauricio Martinez | |
| Realname: | Mauricio Martinez Aguirre |
| Nickname: | Nañara / Cry Baby |
| Weight: | |
| Height: | 5 ft. 6 in. (168 cm.) |
| Reach: | 66 in. (168 cm.) |
| Birth Date: | May 20, 1975 |
| Birth Place: | Colón, Panama |
| Style: | Southpaw |
| Total: | 51 |
| Wins: | 36 |
| Ko: | 24 |
| Losses: | 14 |
| Draws: | 1 |
| No Contests: | 0 |
Mauricio Martínez Aguirre (born May 20, 1975 in Colón) is a former Panamanian bantamweight boxer .
In 1995 Martínez successfully started his professional career. On September 4, 2000, he boxed against Lester Fuentes for the vacant WBO world title and won by 5th round knockout. He made only one defence of his belt against Esham Pickering before losing the title to Mexican boxer Cruz Carbajal. He lost 6 of his last 7 fights and ended up retiring in 2012.