Mellish is a surname. It may also refer to:
Mellish (1819 ship), a ship sailing between Great Britain and India from 1819 to 1844 Mellish (crater), a crater on Mars Mellish Reef, a coral reef in the Coral Sea Islands of Australia Mellish Road Methodist Chapel, a chapel in Walsall, England from 1910 to 2011 Henry Mellish School and Specialist Sports College, a former secondary school in Nottingham, England