Fransen is a Dutch patronymic surname meaning "son of Frans". It can refer to:
Frederic J. Fransen (born 1965), American philanthropy consultant
IsaƤc Dignus Fransen van de Putte (1822-1902), Dutch politician
Joeri Fransen (born 1981), Belgian pop singer
Lieve Fransen (born 1950), Belgian civil servant and health activist
Piet Fransen (born 1936), Dutch footballer
Remona Fransen (born 1985), Dutch athlete
Roy Fransen (1916-1985), English high diver and stuntman
Stephan Fransen (born 1988), Dutch tennis player