| Marian Grzybowski | |
| Birth Date: | 15 June 1895 |
| Birth Place: | Chardzhou, Russian Empire |
| Death Date: | 11 December 1949 (aged 54) |
| Nationality: | Polish |
| Fields: | Dermatology |
| Known For: | Describing generalized eruptive keratoacanthoma of Grzybowski |
Marian Grzybowski (15 June 1895 in Chardzhou – 11 December 1949) was a Polish dermatologist. He authored more than 80 scientific publications. He first described a variant of keratoacanthoma, called today generalized eruptive keratoacanthoma of Grzybowski.