William "Will" Rees (born 1993) is a Welsh professional rugby union player who primarily plays as a centre. Known for his robust defensive capabilities and physicality, he has represented several of Wales' professional regions during his career.
Rees emerged through the Welsh rugby development pathways, initially playing for Bridgend RFC. He subsequently joined the Ospreys regional team, where he made his professional debut and established himself as a reliable performer in the midfield.
In 2020, Rees transitioned to the Scarlets, another of Wales' four professional regions. He quickly became an integral part of their squad, valued for his leadership and defensive work rate. His consistent performances at regional level led to his inclusion in the senior Wales national squad for the 2021 Six Nations Championship, though he did not earn a full international cap during that period.
Rees has also represented Wales at age-grade levels, including Wales U20, and has featured for the Wales Sevens team, demonstrating his versatility and skill set in the shorter format of the game.