Grimmer is a surname. Notable people with the surname include:
Abel Grimmer (c. 1570–c. 1620), Flemish painter Bärbel Grimmer (born 1945), German swimmer Bernd Grimmer (1950-2021), German politician George Grimmer (1827–1907), Canadian-American politician from Wisconsin George S. Grimmer (1826–1887), Canadian lawyer and politician Gerhard Grimmer (born 1943), East German cross-country skier Irvine Grimmer (1862–1951), South African cricketer Jack Grimmer (born 1994), Scottish footballer Jacob Grimmer (c. 1526–1590), Flemish painter Margot Grimmer (born 1944), American ballet dancer Mineko Grimmer (born 1949), American installation sound artist Robert Watson Grimmer (1866–1948), Canadian merchant and politician Thomas Duncan Grimmer (1828–1893), American politician from Wisconsin Wayne Grimmer (born 1960), Canadian field hockey player W.C.H. Grimmer (1858–1945), Canadian lawyer and politician
See also Disappearance of Cheryl Grimmer (born 1966)
See also Grimmer Parish, New Brunswick Mann & Grimmer M.1, World War I fighter aircraft