Hermsen is a Dutch patronymic surname meaning "son of Herm" (a short form of Herman).Hermsen at the Database of Surnames in The Netherlands. Notable people with the surname include:
André Hermsen (born 1942), Dutch water polo player, brother of Henk and Wim Elisabeth Hermsen (1895–1980), Dutch nurse and resistance fighter Henk Hermsen (1937–2022), Dutch water polo player, brother of André and Wim (born 1982), Dutch hardcore techno musician known as "Tha Playah" Kleggie Hermsen (1923–1994), American basketball player Toine Hermsen (born 1954), Dutch chef and restaurant owner Wim Hermsen (born 1947), Dutch water polo player and astronomer, brother of André and Henk
See also Harmsen
References
de:Hermsen