| Knud Kastrup | |
| Birth Date: | 7 January 1898 |
| Nationalteam1: | Denmark |
| Nationalyears1: | 1923–1927 |
| Nationalcaps1: | 5 |
| Nationalgoals1: | 0 |
Knud Kastrup (7 January 1898 - 17 October 1954) was a Danish footballer.[1] He played in five matches for the Denmark national football team from 1923 to 1927.[2]