Thesleff is a surname. Notable people with the surname include:
- Alexander Amatus Thesleff (1907–1983), Finnish diplomat and lawyer
- Ellen Thesleff (1869-1954), Finnish painter
- Irma Thesleff, Finnish biologist
- Jan Thesleff (born 1959), Swedish diplomat
- Rolf Thesleff (1878–1938), Finnish educator and diplomat
- Wilhelm Alexander Thesleff (1880-1941), Finnish general
Surname listThis page lists people with the surname Thesleff. If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link. Category: