Osmar Daniel Malevo Ferreyra (born 9 January 1983) is an Argentine former professional footballer who played as a midfielder.

He was signed by PFC CSKA Moscow in January 2004[1] and was part of the team that won the 2004–05 UEFA Cup, being on the bench for the final.

[5] On 2 July 2013, Ferreyra was confirmed as a new River Plate player, club where he made his debut under the same coach who called him again, Ramón Díaz.

[8] Ferreyra was capped for the Argentina Under-20 team during the 2003 FIFA World Youth Championship.

CSKA Moscow PSV Eindhoven San Lorenzo River Plate Argentina