Merryman is a surname. Notable people with the surname include:

Deanna Merryman (born 1972), American actress and model George H. Merryman (1878–1948), American physician and politician Jerry Merryman (1932–2019), inventor of the handheld calculator John Merryman (1824–1881), the petitioner in one of the best known habeas corpus cases of the American Civil War Marjorie Merryman (born 1951), American composer, author, and music educator Merryman, a DC Comics character and leader of the Inferior Five

See also Merriman (disambiguation) Ex parte Merryman, 17 F. Cas. 144 (1861), well-known U.S. federal court case which arose out of the American Civil War