| Joseph Nelis | |
| Birth Date: | 1917 4, df=yes |
| Birth Place: | Tutbury, England |
| Position: | Striker |
| Years1: | 1934–1939 |
| Years2: | 1939–1943 |
| Clubs1: | Royal Berchem Sport |
| Clubs2: | R. Union Saint-Gilloise |
| Nationalyears1: | 1940 |
| Nationalteam1: | Belgium |
| Nationalcaps1: | 2 |
| Nationalgoals1: | 2 |
Joseph "Jef" Nelis (1 April 1917 – 12 April 1994) was a Belgian footballer, born in Tutbury, Staffordshire, England,[1] who played as a striker for Royal Berchem Sport. He was picked for the World Cup in 1938 in France, but did not play. However, he played two games and scored two goals in 1940 for Belgium.[2]