Johannes Hendricus Maria "Jan" Smit (born December 31, 1985) is a Dutch pop music and schlager singer. He scored his first number one position in the Dutch charts with Ik zing dit lied voor jou alleen (I sing this song only for you) in 1997. Being 12 years of age back then, he was known as Jantje Smit.

Smit was discovered by Dutch middle of the road band BZN, who used his vocals in a duet called Mama. He has released several albums in Dutch and German since.