Llewellyn "Llew" Treharne (birth unknown â death unknown) was a Welsh rugby union and professional rugby league footballer who played in the 1900s. He played club level rugby union (RU) for Penygraig RFC, and representative level rugby league (RL) for Wales, and at club level for Wigan, as a or .
Llew Treharne won caps for Wales while at Wigan 1908 2-caps.
During Llewellyn Treharne's time at Wigan, they won the South West Lancashire League in 1904âÂÂ05 and 1905âÂÂ06.