Jonson is a surname, and may refer to:
Ben Jonson (c. 1572 – 1637), English Renaissance dramatist, poet and actor
Fredric Jonson (born 1987), Swedish professional football player
Gail Jonson (born 1965), former medley and butterfly swimmer
Halvar Jonson (born 1941), Canadian politician
Mattias Jonson (born 1974), Swedish professional football player
Raymond Jonson (1891–1982), American painter
