Abraham Merritt (1884-1943) was an American editor and author of works of fantastic fiction of some interest.

Originally trained in law, he turned to journalism, first as a correspondent, and later as editor. In 1917, published his first fantasy, The People of the Pit, in Weird Tales. This was followed by many more tales, including: Through the Dragon Glass (1917), The Moon Pool (1918) and its sequel The Conquest of the Moon Pool (1919), The Metal Monster (1920), The Face in the Abyss (1923), The Ship of Ishtar, Dwellers in the Mirage (1932), The Woman of the Wood (1926), Burn, Witch, Burn! (1932), Creep, Shadow, Creep! (1934), The Drone Man (1934) and The Fox Woman (1946).

Merrit also had a passion for exotic plants, writing numerous articles on botany. Also discoverer, with S. Weir Mitchell, of psychedelic drugs.

He died in Florida in 1943, after a heart attack.