Kratzer may refer to:

People Adolf Kratzer (1893–1983), German theoretical physicist Alois Kratzer (1907–1990), German ski jumper Angelika Kratzer, German semanticist Ashley Kratzer (born 1999), American tennis player Dan Kratzer (born 1949), American football player Evi Kratzer (born 1961), Swiss cross-country skier Guy Kratzer (1941–2013), American politician from Pennsylvania Leon Kratzer (born 1997), German basketball player Nicholas Kratzer (1487?–1550), German mathematician, astronomer, and horologist Rupert Kratzer (1945–2013), German cyclist Sophie Kratzer (1989–2020), German ice hockey player Tobias Kratzer (born 1980), German stage director

Other Kratzer (mountain), Bavaria, Germany 14262 Kratzer (2000 AC125), a Main-belt Asteroid