Caplan is a surname. Notable people with the surname include:Amanita Caplan, Sense8 character Arthur Caplan, American bioethicist Bryan Caplan, American economist David Caplan, Canadian politician Elinor Caplan (1944-2019), Canadian politician Frank Caplan (1911–1988), American toymaker Fred H. Caplan (1914–2004), West Virginia Supreme Court Justice Gerald Caplan, Canadian political academic Irwin Caplan (1919–2007), American cartoonist Lizzy Caplan, American actress Ralph Caplan, American design consultant Twink Caplan, American actress
