Gash may refer to:
Places Gash, Hormozgan, a village in Hormozgan Province, Iran Gash, Razavi Khorasan, a village in Razavi Khorasan Province, Iran Gash River or Mareb River, flowing out of northern Ethiopia
People Jim Gash (born 1967), president of Pepperdine University Lauren Beth Gash (born 1960), American politician and lawyer Michael Gash (born 1986), English footballer
Music Gash (Foetus album), 1995 Gash (EP), an EP by Pram "The Gash", a song by The Flaming Lips from The Soft Bulletin
Slang Wound, a type of injury Colloquial term for the vulva British military slang (specifically from the Royal Navy and Royal Marines) for rubbish (garbage), or for something that is considered useless, broken or otherwise of little value
Other uses Gash (TV series), a British television series Gash Bell, a fictional character in the manga series Zatch Bell!