Kratt is a German occupational surname. It denotes a basketmaker. Notable people with the surname include:
Chris Kratt (born 1969), American biologist and television presenter Gavin Kratt (born 2001), Canadian-American rapper Martin Kratt (born 1965), American zoologist and television presenter Mary Norton Kratt (born 1937), American author Ronan Kratt (born 2003), Canadian soccer player