Gary James Kemp is an English songwriter, musician and actor, best known as the lead guitarist, backing vocalist, and principal songwriter for the new wave band Spandau Ballet.

Gary Joseph Lachman, also known as Gary Valentine, is an American writer and musician. He came to prominence in the mid-1970s as the bass guitarist for rock band Blondie. Since the 1990s, Lachman has written full-time, often about mysticism and occultism.

Gary Carl (Muhammad) Legenhausen is an American philosopher who teaches at the Imam Khomeini's Educational and Research Institute, which was directed by Mohammad-Taqi Mesbah-Yazdi.

Gary M. Burge is an American author and professor. He is a New Testament scholar at Calvin Theological Seminary in Grand Rapids, Michigan. He is also an ordained minister in the Presbyterian Church (U.S.A.)

Gary Clayton Myers is an American writer of fantasy and horror. He is a resident of Fullerton, California.

Gary James Paulsen was an American writer of children's and young adult fiction, best known for coming-of-age stories about the wilderness. He was the author of more than 200 books and wrote more than 200 magazine articles and short stories, and several plays, all primarily for teenagers. He won the Margaret Edwards Award from the American Library Association in 1997 for his lifetime contribution in writing for teens.

Gary Provost was an American writer and writing instructor, author of works including Make every word count: a guide to writing that works—for fiction and nonfiction (1980) and 100 Ways to Improve Your Writing: Proven Professional Techniques for Writing with Style and Power (1985).

Gary "Gaz" Regan was a British-born bartender and a bar-writer in the U.S. He was known for his book The Joy of Mixology.

Gary Russell is a British freelance writer, producer and former child actor. As a writer, he is best known for his work in connection with the television series Doctor Who and its spin-offs in other media. As an actor, he is best known for playing Dick Kirrin in the British 1978 television series The Famous Five.

Gary Shteyngart is a Soviet-born American writer. He is the author of five novels and a memoir. Much of his work is satirical.