| Nicolás Mentxaka | |
| Fullname: | Nicolás Mentxaka Beitia |
| Birth Date: | 23 August 1909 |
| Birth Place: | Getxo, Spain |
| Position: | Forward |
| Years1: | 1928–1933 |
| Clubs1: | Arenas |
| Caps1: | 47 |
| Goals1: | 17 |
| Years2: | 1933–1934 |
| Clubs2: | Valencia |
| Caps2: | 7 |
| Goals2: | 3 |
| Totalcaps: | 54 |
| Totalgoals: | 20 |
Nicolás Mentxaka Beitia (born 23 August 1909) was a Spanish professional footballer who played as a forward.
Mentxaka was born in Getxo. His sons Nicolás and José Luis were also footballers.
Mentxaka played for Arenas and Valencia.[1]