Katter is a surname. Notable people with the surname include:
Berndt Katter (1932–2014), athlete Bob Katter (born 1945), politician Bob Katter Sr. (1918–1990), politician Carl Katter (born 1978), activist Katter's Australian Party Robbie Katter (born 1977), politician Thomas Katter (1959–2010), musician
See also Ketter