Loren Wiseman (1951 – February 15, 2017) was an American wargame and role-playing game designer, game developer and editor. He was born in Bloomington, Illinois. Wiseman co-founded Game Designers' Workshop with Frank Chadwick, Rich Banner, and Marc Miller on June 22, 1973.
Wiseman received the Origins Award for Best Role-Playing Adventure for Twilight: 2000 Going Home. He was inducted into the Origins Hall of Fame in 2003. He was honored as a "famous game designer" by being featured as the king of clubs in Flying Buffalo's 2010 Famous Game Designers Playing Card Deck.