| Birth Date: | 29 April 1973 |
| Birth Place: | Valladolid, Spain |
| Weight: | 167lbs |
| Ru Position: | Scrum-half, Fullback |
| Clubs1: | El Salvador Rugby |
| Repyears1: | 1999-2003 |
| Repcaps1: | 16 |
| Reppoints1: | 28 |
Jaime Alonso-Lasheras Rivero (born Valladolid, 29 April 1973) is a Spanish rugby union player. He plays as a scrum-half.
His first international cap was during a match against Japan, at Tokyo, on August 29, 1999. He was part of the 1999 Rugby World Cup roster, playing the match against Uruguay, at Galashiels. His last international cap was during a match against USA, at Madrid, on April 12, 2003.