Dafydd ab Hugh (/dævɪð æb hɨʊ/, born David Friedman, on October 22, 1960) is a U.S. science fiction author. He is known for writing fiction in media franchises in the 1990s, including several novels for the Star Trek franchise. He also co-wrote four novels associated with the game Doom with fellow science fiction author Brad Linaweaver. His novelette, "The Coon Rolled Down and Ruptured His Larinks, A Squeezed Novel by Mr. Skunk", was nominated for the Hugo Award and Nebula Award and is perhaps his best-known work.