| Steef van Musscher | |
| Fullname: | Steven van Musscher |
| Birth Date: | 26 February 1902 |
| Birth Place: | Haarlem, the Netherlands |
| Death Date: | 14 May 1986 (aged 84) |
| Death Place: | Rotterdam, the Netherlands |
| Sport: | Triple jump |
| Club: | AV Haarlem |
| Olympics: | 1928 |
| Show-Medals: | yes |
Steven "Steef" van Musscher (26 February 1902 – 14 May 1986) was a Dutch triple jumper. He competed at the 1928 Olympics and finished in 15th place. In 1930 he set his personal best jump at 14.13 m.