Kater may refer to:
People Fritz Kater, German trade unionist Henry Kater, German-British physicist Michael Hans Kater (1937–2025), German-Canadian historian Norman William Kater (1861–1930), Australian physician pastoralist politician Peter Kater, American pianist
Other uses Kater, German title of the 2016 Austrian film Tomcat
See also Cater (disambiguation) Kata people, also known as Katir or Kator Katoor dynasty, also known as Kator or Katur