| Birth Place: | Badhoevedorp, the Netherlands |
| Sport: | Road cycling |
| Show-Medals: | yes |
Jan Buis (born 15 February 1933) is a retired Dutch road cyclist who won a bronze medal at the 1956 World Championships. He was selected for the 1956 Olympics, but could not compete because of their boycott by the Netherlands. He has a twin brother Wim.