Joosten /ˈjoːstən/ is a Dutch patronymic surname, meaning "son of Joost". Notable people with the surname include:
Albert Joosten (1914–80), Dutch Montessori teacher
Ángela Joostens, a person after whom the Argentine city of Villa Ángela has been named
Jan Joosten van Lodensteijn (c. 1560–1623), Dutch sailor, one of the first Dutchmen in Japan
Jan Joosten (biblical scholar) (born 1959), Belgian professor of the Old Testament
Jonathan Joosten (born 1980), Dutch animator
Kathryn Joosten (1939–2012), American television actress
Maurice Joostens (1862-1910), Belgian diplomat.