Charlotte Perkins Gilman, a turn-of-the-century feminist author

Alfred Gilman, Nobel Prize winning scientist

Sander Gilman (born 1944), cultural and literary historian

Nicholas Gilman, Founding father and New Hampshire delegate to the Constitutional Convention (one of the authors and scribes of the US Constitution)

Daniel Coit Gilman, an American educator

Gilman, Colorado

Billy Gilman, a country singer

Gilman, Illinois

Gilman School, a private boys school located in Baltimore, Maryland

924 Gilman Street, a collectively run music venue in Berkeley, California

Henry Gilman, "the father of organometallic chemistry"

Gilman Marston, a United States Senator from New Hampshire

Dorothy Gilman, an American author

Benjamin Gilman, a United States Senator from New York

Gilman, Iowa

Gilman reagents, a group of reagents discovered by Henry Gilman

George Gilman Fogg, a United States Senator from New Hampshire

Ronald Lee Gilman, a judge on the United States Court of Appeals for the Sixth Circuit.

Phoebe Gilman, an American children's book author

Gilman Paper Company, donor of photo archive to the Metropolitan Museum of Art

George G. Gilman, author of Western novels

Gilman, Wisconsin

A municipality of the Isle of Yap in the Caroline Islands archipelago