Jekyll is a Cornish and Breton family name. It is commonly pronounced, although the traditional pronunciation is .
It may refer to:
People:
- Dame Agnes Jekyll (1861–1937), British artist, writer and philanthropist
- Gertrude Jekyll (1843-1932), British gardener
- Sir Joseph Jekyll (1663–1738), British lawyer, politician and judge
Places:
- Jekyll Island, an island off the coast of the U.S. state of Georgia
- Jekyll Island Club, private club located thereon
In literature:
- Strange Case of Dr Jekyll and Mr Hyde, an 1886 novella by Robert Louis Stevenson
In television:
- Jekyll (TV series), a 2007 BBC Television Series, written by Steven Moffat
In film:
- The Two Faces of Dr. Jekyll, a 1960 horror film by Hammer Film Productions
- Dr. Jekyll y el Hombre Lobo, a 1972 Spanish horror film
- Jekyll (film), a 2007 horror film written and directed by Scott Zakarin
In theatre
- Jekyll & Hyde, a 1997 Broadway musical starring Robert Cuccioli in the title role
In computing:
- Jekyll, a high-level language from Intel that can be losslessly translated to and from C
- Jekyll, a static blogging system used by Github