| Sigmund Frogn | |
| Birth Date: | 26 March 1904 |
| Birth Place: | Oslo, Norway |
| Position: | Forward |
| Nationalteam1: | Norway |
| Nationalyears1: | 1924 |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
Sigmund Frogn (26 March 1904 - 31 January 1990) was a Norwegian footballer.[1] He played in one match for the Norway national football team in 1924.[2]