Franssen

Franssen is a Dutch patronymic surname meaning "son of Frans". It can refer to:

Franssens
 * Everhardt Franßen (born 1937), German judge
 * Jan Franssen (born 1951), Dutch politician
 * Jo Franssen (1909–1995), Dutch politician
 * MHH Franssen (1903–1981), Dutch lawyer
 * Margot Franssen (born 1952), Dutch-born Canadian philanthropist, activist and entrepreneur
 * Nico Valentinus Franssen (1932–1993), Dutch-born American physicist and inventor
 * Franssen effect, an auditory illusion discovered by him
 * Joep Franssens (born 1955), Dutch composer