Brian "Mad Dog" Juliff (born 5 December 1952) is a Welsh former rugby union and professional rugby league footballer who played in the 1970s and 1980s. He played representative level rugby union (RU) for Wales 'B', , , Glamorgan County RFC, at invitational level for Crawshays RFC, and at club level Mountain Ash RFC, Newport RFC and Pontypridd RFC, as a Left-Wing, or Outside-Centre, i.e. number 11, or 13, and representative rugby league (RL) for Wales, and at club level for Widnes (as A. N. Other), Wakefield Trinity (Heritage № 855), Wigan (Heritage № 788), Halifax and Castleford (Heritage № 665), as a wing, second-row, loose forward, i.e. number 2 or 5, 11 or 12, or 13, during the era of contested scrums. In June 2012 Juliff was appointed as the chairman of Wales Rugby League.