| Birth Date: | 4 November 1976 |
| Birth Place: | Oviedo, Asturias, Spain |
| Weight: | 246lbs |
| Occupation: | Civil Guard officer |
| Relatives: | Sergio Souto (brother) |
| Ru Position: | Blindside flanker |
| Ru Clubyears: | 1989–1993 1993–2005 2001–2005 2005–2006 |
| Ru Proclubs: | Piller Rugby Club Oviedo Rugby Moraleja Alcobendas Rugby Union El Salvador Rugby |
| Ru Nationalyears: | 1998–2010 |
| Ru Nationalcaps: | 37 |
| Ru Nationalpoints: | (30) |
Carlos Souto Vidal (born 4 November 1976) is a Spanish rugby union player. He played as a flanker. His twin brother, Sergio Souto was also a Spanish international.
His first international cap was on December 2 1998, against Portugal at Murrayfield. He played all the three matches for Spain at the 1999 Rugby World Cup. His last cap was at the match against Romania on March 27 2010, at Bucharest.
He works as an officer for the Civil Guard. His twin brother, Sergio was also a rugby union player and both played for Spain at the 1999 Rugby World Cup, Spain's only appearance in a Rugby World Cup to date.