Jan Smit

Jan Smit may refer to:
 * Jan Smit (physicist) (born 1943), Dutch theoretical physicist
 * Jan Smit (singer) (born 1985), Dutch pop music and schlager singer
 * Jan Smit (footballer) (born 1983), Dutch footballer
 * Jan Smit (paleontologist) (born 1948), Dutch paleontologist
 * 19140 Jansmit, asteroid named after the paleontologist