Herlin is a surname. Notable people with the surname include:
Antti Herlin (born 1956), Finnish businessman, chairman of KONE Auguste-Joseph Herlin (1815–1900), French genre painter from Lille Friedrich Herlin (c. 1425/30–1500), German painter Fritz Herlen (or Herlin) (before 1449–1491), German artist of the early Swabian school Hans Herlin (1925–1994), German novelist Jacques Herlin (1927–2014), French character actor Olga Herlin (1875–1965), Sweden's first female engraver