Brian Leslie Butler (born 16 February 1948) is a Welsh former rugby union and professional rugby league footballer who played in the 1960s and 1970s. He played representative level rugby union (RU) for a 'Wales XV', and at club level for Felinfoel RFC and Llanelli RFC, as a prop, i.e. number 1 or 3, and representative level rugby league (RL) for Wales, and at club level for Bradford Northern, Swinton and Warrington (Heritage № 767), as a prop, i.e. number 8 or 10, during the era of contested scrums.