| Johan Fredrik Thaulow | |
| Birth Date: | 22 May 1840 |
| Birth Place: | Christiania |
| Death Place: | Kristiania |
| Nationality: | Norwegian |
| Children: | Carl Thaulow |
| Relatives: | Frits Thaulow (cousin) |
| Occupation: | Physician Military officer |
| Known For: | Chairman of the Norwegian Red Cross |
Johan Fredrik Thaulow (22 May 1840 - 24 April 1912) was a Norwegian physician and Army officer.
He was born in Christiania to chemistry professor Moritz Christian Julius Thaulow. He was a nephew of chemist Harald Thaulow, and a cousin of painter Frits Thaulow.[1] From 1889 to 1909 he headed the medical service of the Norwegian Army, eventually with the title of lieutenant general. He chaired the Norwegian Red Cross from 1889 to 1905.[2]