Carlin may refer to:
- Alec Carlin, screenwriter and film director
- Ben Carlin (1912–1981), Australian adventurer and engineer
- Bertinazzi (1710-1783), actor and author, also known as Carlin
- Bob Carlin (born 1953), musician
- Brian Carlin (born 1950), baseball player
- Carlin Glynn (born 1940), actress
- Carlin Hartman, basketball coach
- Carlin Itonga (born 1982), football player
- Carlin Romano, literary critic
- Charles Creighton Carlin (1866-1938), politician
- Chris Carlin (born 1972), broadcaster
- Clay Carlin (1989-2007), fictional character
- Dan Carlin (born 1965), political commentator
- Dave Carlin, politician
- David Carlin (born 1938), politician and sociologist
- Dermot Carlin, football player
- George Carlin (1937-2008), comedian, social critic, satirist, actor and writer/author
- Glen Carlin, fictional character
- Jean Carlin (1921-1998), film actress
- John Carlin (born 1956), journalist
- John W. Carlin (born 1940), governor
- Leo P. Carlin (1908-1999), mayor
- Luke Carlin (born 1980), baseball player
- Lynn Carlin (born 1938), actress
- Martin Carlin (c.1730-1785), cabinetmaker
- Mary Carlin Yates (born 1946), civil servant
- Mike Carlin (born 1958), comic book writer and editor
- Patrick Carlin (1832-1895), recipient of the Victoria Cross
- Paul N. Carlin, civil servant
- Phillips Carlin (1894-1971), broadcaster and executive
- Robert Carlin (1901-1991), union organizer and politician
- Sean Carlin (born 1967), hammer thrower
- Spencer Carlin, fictional character
- Trevor Carlin, racing team owner
- Vince Carlin, civil servant
- Willie Carlin (born 1940), football player
- William P. Carlin (1829-1903), army general