|Full name||Osmar Daniel Ferreyra|
|Date of birth||9 January 1983|
|Place of birth||Basavilbaso, Entre Ríos, Argentina|
|Height||1.76 m (5 ft 9 1⁄2 in)|
|Playing position||Left winger|
|2005||→ PSV Eindhoven (loan)||1||(0)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 19 March 2017 (UTC).
Ferreyra started his career with River Plate. He was signed by PFC CSKA Moscow in January 2004 and was part of the team that won the 2004–05 UEFA Cup, being on the bench for the final. In June 2005, he joined PSV Eindhoven on loan, but he returned to CSKA in December 2005. In 2006, he joined San Lorenzo, where he helped the team to win the 2007 Clausura.
- CSKA Moscow
- PSV Eindhoven
- San Lorenzo
- River Plate
- "Ferreyra to play for PSV". UEFA. 23 June 2005. Retrieved 24 October 2016.
- uefa.com – UEFA Champions League – News & Features – News specific
- uefa.com – Football Europe – News & Features – News Specific
- "Independiente se refuerza: llegaron Ferreyra y Clara" (in Spanish). Cancha Llena. 13 July 2011. Retrieved 20 July 2011.
- "Malevo's word"- Diario Castellanos
- "Στον Παναιτωλικό ο Φερέιρα" (in Greek). panetolikos.gr. 28 January 2016. Retrieved 28 January 2016.
- "Λύση συμβολαίων". Retrieved 2016-12-24.
- Osmar Ferreyra at Soccerway