Thomas Daniel Jennings is a Los Angeles-based artist and computer programmer, known for his work that led to FidoNet, and for his work at Phoenix Software on MS-DOS integration and interoperability.

Homocore was an American anarcho-punk zine created by Tom Jennings and Deke Nihilson, and published in San Francisco from 1988 to 1991. One of the first queer zines, Homocore was directed toward the hardcore punk youth of the gay underground. The publication has been noted for popularizing the queercore movement on the United States west coast.