William Nicholson (7 May 1909 – 10 April 2001) was a Scottish cricketer and president of the Scottish Rugby Union in 1968-69.In 1929 Nicholson scored a century on his debut for Scotland against Ireland in Dublin at the age of 20.Nicholson played rugby for West of Scotland F.C., Glasgow District (rugby union) and had a trial for the Scotland national rugby union team but was not selected.With West of Scotland he was president from 1958 to 1976, coinciding with one of the club's most successful periods.
He served as president of the Scottish Rugby Union in 1968-69.