| Franco Sosa | |
| Fullname: | Franco Sebastián Sosa |
| Height: | 175 cm |
| Birth Date: | 4 April 1981 |
| Birth Place: | Monteros, Argentina |
| Currentclub: | Ñuñorco |
| Position: | Right back |
| Years1: | 2001–2006 |
| Years2: | 2007–2009 |
| Years3: | 2009–2011 |
| Years4: | 2011–2013 |
| Years5: | 2013–2014 |
| Years6: | 2014 |
| Years7: | 2015 |
| Years8: | 2016–2017 |
| Years9: | 2017–2018 |
| Years10: | 2018– |
| Clubs3: | FC Lorient |
| Clubs4: | Boca Juniors |
| Clubs5: | Gimnasia de Jujuy |
| Clubs6: | Juventud Antoniana |
| Clubs7: | Cúcuta Deportivo |
| Clubs8: | Talleres de Perico |
| Clubs9: | Concepción |
| Clubs10: | Ñuñorco |
| Caps1: | 129 |
| Caps2: | 86 |
| Caps3: | 46 |
| Caps4: | 26 |
| Caps5: | 14 |
| Caps6: | 14 |
| Caps7: | 8 |
| Caps8: | 10 |
| Caps9: | 15 |
| Goals1: | 7 |
| Goals2: | 9 |
| Goals3: | 3 |
| Goals4: | 0 |
| Goals5: | 0 |
| Goals6: | 1 |
| Goals7: | 1 |
| Goals8: | 0 |
| Goals9: | 1 |
Franco Sebastián Sosa (born 4 April 1981) is an Argentine football defender currently playing for Ñuñorco.
Born in Monteros, Tucumán Province, Sosa started his playing career in 2001 with Gimnasia y Esgrima de Jujuy of the Argentine 2nd division. He was part of the team that won the Clausura 2005 and obtained promotion to the Argentine Primera. Sosa played for Gimnasia until the end of 2006, making over 100 appearances for the club, 43 in the Primera.
During the January 2006 transfer window Sosa joined Racing Club, quickly establishing himself as a key member of their defence, making appearances in 33 of the club's 38 matches in 2007.
He played for the FC Lorient (French Premier League) during the 2009–2010 season. He signed a 3-year contract, on 22 July 2009.
In 2011, he returned to Argentina to play with Boca Juniors.
| Season | Team | Title | |
|---|---|---|---|
| Clausura 2005 | Gimnasia y Esgrima de Jujuy | Primera B Nacional | |
| Apertura 2011 | Boca Juniors | Primera División | |
| Copa Argentina 2012 | Boca Juniors | Copa Argentina |