Karlan is a surname. Notable people with the surname include:
Dean Karlan, American economist Michael Karlan (b. 1968), American attorney and party planner Pamela S. Karlan (b. 1959), American legal scholar Richard Karlan (1919-2004), American actor
Karlan is also a given name, and may refer to Karlan Grant (b. 1997), English footballer
See also
Karlyn