March 26, 1953
||1 December 1989
Billy Lyall (26 March 1953 – 1 December 1989) was a Scottish musician.
Born William Lyall in Edinburgh, Scotland, Lyall was a keyboard player and vocalist with Pilot, and an early member of the Bay City Rollers. He also contributed to The Alan Parsons Project with fellow Pilot members, and released a solo album, Solo Casting in 1976. Lyall died of AIDS-related causes in 1989, aged 36. Tam Paton later revealed that Lyall was gay.