Jacob Astrov Weisman (born February 23, 1965) is an American editor of Science Fiction and Fantasy. He founded Tachyon Publications, an independent publishing house specializing in genre fiction, in 1995. His writing has appeared in The Nation, Realms of Fantasy, The Louisville Courier-Journal, The Seattle Weekly, The Cooper Point Journal, and in the college textbook, Sport in Contemporary Society, edited by D. Stanley Eitzen. He has been nominated for the World Fantasy Award in 1999, 2009 and 2010 for his work at Tachyon.
He lives in San Francisco, where he and his wife Rina Weisman run the SF in SF (Science Fiction in San Francisco) reading series along with moderator Terry Bisson.