William John Aitken (2 February 1894 – 9 August 1973) was a Scottish football player and manager. A forward, he was known for his trait of bouncing the ball on his head whilst running along the touchline, and was normally known as Willie or Billy. He began his career at Kirkintilloch, before joining Rangers via Queen's Park in 1918. He signed with Port Vale in 1919, before he was sold on to Newcastle United for £2,500 in May 1920. He spent four seasons at Tyneside, before joining Preston North End in 1924. He spent two years with the "Lambs", and after spells at Chorley, Norwich City, and Bideford Town, he was appointed as head coach at Italian club Juventus in 1928. He moved on to France the following year to play for AS Cannes. He played in the 1932 Coupe de France final victory, and was