| Yaacov Breir | |
| Position: | Full-back |
| Years1: | 1940 |
| Clubs1: | Hapoel Haifa |
| Nationalyears1: | 1940 |
| Nationalteam1: | Mandatory Palestine |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
Yaacov Breir (he|יעקב ברייר; born 1910) was an Israeli footballer who played as a full-back for Hapoel Haifa and the Mandatory Palestine national team.
Breir took part in Mandatory Palestine's last international match against Lebanon in 1940;[1] [2] it was his only international cap.[3]