Slocum may refer to:
People
- Bill Slocum, American politician
- Craig Slocum, American actor
- Frances Slocum, adopted member of the Miami tribe
- Frederick Slocum, American astronomer
- Heath Slocum, American golfer
- Henry Slocum (tennis player), professional athlete and Hall of Fame member
- Henry Warner Slocum, U.S. Civil War Major General
- Herbert Jermain Slocum (1855–1928), American military officer
- Jamie Slocum, American singer-songwriter
- Jerry Slocum, historian, author about, and collector of mechanical puzzles
- John Slocum, prophet of the Indian Shaker Church
- John J. Slocum, diplomat and bibliophile
- John W. Slocum, American lawyer, politician, and judge
- Joshua Slocum, first man to sail solo around the world
- Kay Slocum, medieval and music historian, and violist
- Lois Tripp Slocum (1899–1951), American astronomer
- Matt Slocum, guitarist and composer for the band Sixpence None the Richer
- Matt Slocum (keyboardist), southern jam band pianist
- Peleg Slocum, American Quaker
- R. C. Slocum, American football coach
- Ray Slocum (1936–2013), Australian Rules footballer who played for the Fitzroy Football Club in the VFL
- Robert Slocum, American botanist and biologist
- Shawn Slocum, American football coach
- Slocum (K-9), fictional character in the television series K-9
- William J. Slocum, American sportswriter
- William Slocum Groesbeck, American politician
Places
Communities
- Slocum, Ohio, an unincorporated community in Scioto County
- Slocum, Rhode Island, a small village in the town of North Kingstown
- Slocum, Texas, an unincorporated community in Anderson County
- Slocum Township, Pennsylvania, a township
Other
- Fort Slocum, in the city of New Rochelle, New York
- Frances Slocum State Park, a park in Luzerne County, Pennsylvania
- Slocum (crater) on the Moon, named after Frederick Slocum
- Slocums River, a tidal river in southeastern Massachusetts
- Slocum's River Reserve, an open space preserve in Dartmouth, Massachusetts
Other
- PS General Slocum, a steamship destroyed by fire in the East River of New York City in 1904
- Slocum (westerns), a series of "adult-oriented" western novels by various authors (writing as Jake Logan)
- Slocum and Hannah Howland House, a historic building in Cayuga County, New York
- Slocum House (Vancouver, Washington), a historic building
- Slocum massacre, a racial conflict that took place in Slocum, Texas, in 1910
- Slocum stone, a synthetically grown opal