Weinert is a surname. Notable people with the surname include:
Erich Weinert (1890–1953), German writer Jimmy Weinert (born 1951), American motocross and supercross rider Lefty Weinert (1900–1973), American baseball player Paul H. Weinert (1869–1919), American soldier Rudolph A. Weinert (c. 1885–1974), American politician (1914-1951), Soviet political prisoner and poet, co-creator of the fictional poet Guillaume du Vintrais
See also Weinert Center in Madison, Wisconsin, United States