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

Curtis L. Meinert (1934–2023), American clinical trialist Dale Meinert (1933–2004), American football player Frederik Vilhelm August Meinert (1833–1912), Danish zoologist Maren Meinert (born 1973), German footballer Niklas Meinert (born 1981), German field hockey player Walt Meinert (1890–1958), American baseball player

See also Meinert, Missouri