Leichter is a German word meaning "lighter". It is also a surname and may refer to:
Franz S. Leichter (1930–2023), politician in the New York State Assembly and Senate Hope Jensen Leichter, American educationalist Karl Leichter (1902–1987), Estonian musicologist Käthe Leichter (1895–1942), Austrian economist, women's rights activist, journalist, politician Max Leichter (1920–1981), German wrestler
See also Käthe Leichter Prize, the Austrian State Prize for women's research, gender studies and gender equality in the workplace Leicht