Fritze is both a surname and a given name. Notable people with the name include:
Caroline Fritze (born 2000), German judoka Georg Fritze (1874–1939), German theologian and anti-fascist Gregory Fritze, American classical composer and tubist Ronald H. Fritze (born 1951), American encyclopedist, historian and writer Fritze Carstensen (1925–2005), Danish swimmer