Osmar Mares
| 
 Mares with Santos Laguna in 2012  | |||
| Personal information | |||
|---|---|---|---|
| Full name | Osmar Mares Martínez | ||
| Date of birth | 17 June 1987 | ||
| Place of birth | Torreón, Mexico | ||
| Height | 1.70 m (5 ft 7 in) | ||
| Position(s) | Left-back | ||
| Senior career* | |||
| Years | Team | Apps | (Gls) | 
| 2006–2015 | Santos Laguna | 125 | (0) | 
| 2010–2011 | → San Luis (loan) | 26 | (2) | 
| 2014–2015 | → América (loan) | 23 | (0) | 
| 2015–2019 | América | 47 | (0) | 
| 2017–2019 | → Veracruz (loan) | 35 | (1) | 
| 2018–2019 | → Necaxa (loan) | 4 | (0) | 
| International career | |||
| 2007 | Mexico U20 | 2 | (1) | 
| *Club domestic league appearances and goals | |||
Osmar Mares Martínez (born 17 June 1987) is a Mexican former professional footballer who played as a left-back. Mares has been capped for the Mexico national team at the U-20 level, and played in the 2007 FIFA U-20 World Cup in Canada.