Gordon McLennan (12 May 1924 – 21 May 2011) was a Scottish political activist and draughtsperson who served as the seventh General Secretary of the Communist Party of Great Britain from 11 March 1975 to January 1990.

Born in Glasgow, McLennan worked as an engineering draughtsperson before taking on various full-time posts within the CPGB.

One of his acts as General Secretary was to appoint Martin Jacques, then an academic at the University of Bristol, as editor of Marxism Today in 1977.

[8] In November 1982, he attended the State Funeral of Leonid Brezhnev, alongside Foreign Secretary Francis Pym and British Ambassador to the Soviet Union Iain Sutherland.

He remained active in the pensioners' movement and supported the Respect – The Unity Coalition candidate George Galloway at the 2005 general election.