William Sorley Brown (1860–1901) was a Scotland international rugby union player.
[1] He became the 15th President of the Scottish Rugby Union.
[2] Brown was capped by East of Scotland District to play against West of Scotland District at the end of January 1880.
[3] Brown was capped by Edinburgh District to play against Glasgow District in the inter-city match in 1881.
[4] He was made the 15th President of the Scottish Rugby Union for the period 1887-88.