| Birth Date: | 9 June 1898 |
| Death Date: | 17 February 1987 (aged 88) |
| Birth Place: | Groningen, the Netherlands |
| Death Place: | Amsterdam, the Netherlands |
| Position: | Defender |
| Years1: | 1915–1926 |
| Clubs1: | Be Quick 1887 |
| Nationalyears1: | 1923–1925 |
| Nationalteam1: | The Netherlands |
| Nationalcaps1: | 8 |
Johannes Cornelis "Hans" Tetzner (9 June 1898 – 17 February 1987) was a Dutch association football defender and medical doctor. He was part of the Dutch team that finished fourth at the 1924 Summer Olympics.[1] Between 1915 and 1926 he played for Be Quick 1887, winning nine Northern Dutch titles and one national title in 1920.
Hans Tetzner had an elder brother Max; they competed alongside both in football and speed skating. Hans also played tennis, once reaching the semifinals of the Dutch national doubles championships. He later became a prominent surgeon and served as a doctor for the football club AFC Ajax and for the 1936 Dutch Olympic cycling team. In the 1960s he was a regular guest at the television show Wie van de Drie?