Callum Black (born 25 February 1986) is an American-born Irish rugby union player for Worcester Warriors in the English Premiership. He plays as a loosehead prop. Black was born in Washington, D.C. in the United States, and raised in England where he attended Hartpury College. He joined the Worcester Warriors academy straight from College and joined the senior squad towards the end of the 2008–09 season. He enjoyed loan spells at both Otley and Plymouth during his time with the Worcester Warriors. He joined Ulster for the 2011/12 season. On 8 February 2018, Black resigned for Worcester Warriors back in the Aviva Premiership from the 2018-19 season.