Mörlin is a surname. Notable people with the surname include:
Joachim Mörlin (1514-1571), German Lutheran theologian and Reformer Jodok Mörlin (1490-1550), German Lutheran theologian Maximilian Mörlin (1516-1584), German Lutherantheologian, court preacher, Superintendent in Coburg, and Reformer
See also Morling (surname)