| Joop van Nellen | |
| Fullname: | Johannes Cornelis van Nellen |
| Birth Date: | 15 March 1910 |
| Birth Place: | Delft, Netherlands |
| Death Place: | Delft, Netherlands |
| Position: | Forward |
| Clubs1: | DHC Delft |
| Nationalyears1: | 1928–1937[1] |
| Nationalteam1: | Netherlands |
| Nationalcaps1: | 27 |
| Nationalgoals1: | 7 |
Johannes Cornelis "Joop" van Nellen (15 March 1910 – 14 November 1992) was a Dutch football forward who played for Netherlands in the 1934 FIFA World Cup.[2] He also played for DHC Delft.