Meertens is a Dutch patronymic surname (son of Meerten/Maarten). It may refer to:
Jacques Meertens (born 1948), Dutch clarinetist Lambert Meertens (born 1944), Dutch computer scientist Bird–Meertens formalism, Meertens number Piet Meertens (1899–1985), Dutch dialectologist and ethnologist Meertens Institute, research institute for Dutch language and culture
See also Mertens