| Jaime Mancisidor | |
| Fullname: | Jaime Mancisidor Lasa |
| Birth Date: | 7 April 1910 |
| Birth Place: | Irun, Spain |
| Position: | Defender |
| Years1: | 1928–1932 |
| Clubs1: | Real Unión |
| Caps1: | 57 |
| Goals1: | 0 |
| Clubs2: | Girondins ASP |
| Years3: | 1943–1944 |
| Clubs3: | Real Sociedad |
| Caps3: | 17 |
| Goals3: | 0 |
| Totalcaps: | 74 |
| Totalgoals: | 0 |
Jaime Mancisidor Lasa (born 7 April 1910, date of death unknown)[1] was a Spanish footballer who played as a defender.
Born in Irun, Mancisidor played for Real Unión and Real Sociedad.[2] He also played for Girondins ASP in the 1941 Coupe de France Final.[3]