Merlin is a masculine given name. Notable people with the name include:
Merlin Bartz (born 1961), Iowa State Senator
Merlin Bronques, American musician and photographer
Merlin Guilfoyle (1908–1981), Roman Catholic bishop
Merlin Hanbury-Tracy, 7th Baron Sudeley (born 1939), British peer, author and right-wing activist
Merlin Holland, author
Merlin Hull (1870–1953), lawyer, newspaper publisher and member of the United States House of Representatives
Merlin Malinowski (born 1958), retired Canadian National Hockey League player
Merlin Miller, candidate for president, 2012, Third Position Party (received 2,604 votes)
Merlin Minshall (1906–1987), British intelligence agent often claimed as an inspiration behind James Bond
Merlin Olsen (1940–2010), American football player
Merlin Santana (1976–2002), American actor
Merlin Volzke (born 1925), retired American jockey