Caplan
{{other uses|Caplan (disambiguation)}}
Caplan is a surname. Notable people with the surname include:
- Amanita Caplan, Sense8 character
- Arthur Caplan, American bioethicist
- Bryan Caplan (born 1971), American economist
- David Caplan (born 1964), Canadian politician
- Elinor Caplan (1944–2019), Canadian politician
- Frank Caplan (1911–1988), American toymaker
- Fred H. Caplan (1914–2004), American judge from West Virginia
- Gerald Caplan (born 1938), Canadian political academic
- Irwin Caplan (1919–2007), American cartoonist
- Lizzy Caplan (born 1982), American actress
- Melvyn Caplan, British politician
- Philip Caplan, Lord Caplan (1929–2008), Scottish lawyer and judge
- Ralph Caplan (born 1925), American design consultant
- Twink Caplan, American actress