Tomcat may refer to:

Animals

  • A male cat
  • Paederus, known as in Indonesia

Media

  • Tom Cat, a character from the animated series Tom and Jerry
  • Tom Cat (album), a 1981 album by Lee Morgan
  • Tom Cat (band), a Japanese band who contributed to the Fist of the North Star soundtrack
  • Tomcat (comics), DC Comics character, son of Wildcat
  • Tomcat (video game), a 1989 computer game published in the UK by Players Software
  • Tomcats (1977 film), a 1977 rape-and-revenge film
  • Tomcats (2001 film), a 2001 comedy film
  • The Tomcats, Brian Setzer's first rockabilly music group
  • TomKat, a portmanteau for celebrity couple Tom Cruise and Katie Holmes
  • Tomcat (2016 film), a 2016 Austrian film
  • Talking Tom, a character in Outfit7's Talking Tom and Friends media franchise

Science and technology

  • Apache Tomcat, an implementation of Java web-server technologies
  • Beretta 3032 Tomcat, a pistol
  • Grumman F-14 Tomcat, a fighter aircraft
  • Kawasaki Tomcat ZX-10, a motorcycle
  • Rover 200 Coupé, a car
  • TOMCAT/SLIMCAT, a chemical transport model
  • Waspair HM 81 Tomcat, an ultralight aircraft