Leslie George Guy (1 September 1918 – 4 December 2005) was a British trade unionist.
Guy came to prominence as a member of the National Union of Sheet Metal Workers and Braziers.
He served as a shop steward, on his district committee and then the National Executive Committee before, in 1972, winning election as National President of the union.
[1] However, in 1983, the General Council was reorganised and Guy lost his seat.
[2] Later that year, the Sheet Metal Workers merged into the Technical, Administrative and Supervisory Section union, Guy becoming assistant secretary of its craft section.