Jem (given name)
Jem is a given name, sometimes as a nickname for James, Jeremiah, Jeremy, Jemma, or Jemima, and sometimes as an anglicized version of the Turkish name Cem. People with the name include:

 Jem Belcher (1781–1811), English bare-knuckle boxer
 Jem Cohen (born 1962), American filmmaker
 Jem Finer (born 1955), English musician, artist and composer, a founding member of the Pogues
 Jem Karacan (born 1989), English footballer
 Jem Mace (1831–1910), English bare-knuckle boxer
 Jem Shaw (1836–1888), English cricketer
 Jem Smith (1863–1931), English bare-knuckle boxer
 Jem Stansfield (born 1975), inventor and television presenter
 Jem Ward (1800–1884), English bare-knuckle boxer

Fictional characters 
 Jerrica "Jem" Benton, protagonist of Jem, an animated TV series, and the 2015 film Jem and the Holograms 
 James Matthew "Jem" Blythe in Anne Shirley franchise
 James "Jem" Carstairs in The Infernal Devices trilogy
 Jem Costello, in the soap opera Hollyoaks
 Jem Finch, in the film To Kill a Mockingbird

See also
 Jem (disambiguation)