| Martien Houtkooper | |
| Fullname: | Martinus Houtkooper |
| Birth Date: | 27 October 1891 |
| Birth Place: | Callantsoog |
| Death Place: | Haarlem |
| Position: | Forward |
| Clubs1: | HFC Haarlem |
| Nationalyears1: | 1912–1919 |
| Nationalteam1: | Netherlands |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
Martinus "Martien" Houtkooper (27 October 1891 –) was a Dutch male footballer. He was part of the Netherlands national football team, playing 1 match on 31 August 1919.[1] He was in the Netherlands national team at the 1912 Summer Olympics that won the bronze medal but having not appeared did not receive a medal.[2]