| Birth Date: | 4 September 1932 |
| Birth Place: | Hilversum, the Netherlands |
| Death Date: | 23 August 2013 (aged 80) |
| Death Place: | Nieuwegein, Netherlands |
| Sport: | Swimming |
| Club: | HZC de Robben, Hilversum |
| Coach: | Jan Stender |
| Show-Medals: | yes |
Antonia Johanna "Tonnie" Hom (4 September 1932 – 23 August 2013) was a Dutch swimmer. She competed in the 200 m breaststroke at the 1948 Olympics and finished in seventh place.