William Lyburn (born May 8, 1975 in Dumfries, Scotland) is a Scottish-Canadian curler from Winnipeg, Manitoba.

He is currently the coach and alternate of the Jordon McDonald rink.

[1] Lyburn won the Scottish junior title with his older brother Allan Lyburn in 1992 and going to the 1992 World Junior Championships where they would finish 6th.

[2] He and his family would move to Canada a short time later.

Just previously, he won the all-star award for skip at the provincial 2012 Safeway Championship despite failing to win at the event.