Sir Angus Duncan Aeneas Stirling (born 10 December 1933) is a former director general of the National Trust and has served on many other charitable bodies in the United Kingdom.

This biography of a living person relies on a single source. (February 2020)

He was educated at Eton College and Trinity College, Cambridge, before taking a Diploma in the History of Art at London University as an extramural student.^[1] Hon Fellow The Courtauld Institute of Art, and Trinity Laban Conservatoire of Music and Dance. He trained as an artist at the Lydgate Art Research Centre in Britain and has had exhibitions in London and in Somerset.

• Director general of the National Trust^[1] 1983–95
• Chairman of the Greenwich Foundation for the Royal Naval College, Greenwich^[1] 1997–2004
• Trustee of the Samuel Courtauld Trust 1990–2012
• Member of governing board, the Courtauld Institute of Art 1981–83 and 2002–14
• Trustee, World Monuments Fund in Britain, 1996–2007
• Governor of Gresham's School^[1]
• Chairman of the Royal Opera House, 1991–1996^[1]
• Trustee of the City and Guilds of London Art School^[1]
• Chairman of the Joint Nature Conservation Committee^[1] 1997–2002
• Member of the Stowe House Preservation Trust^[1] 1998–2012
• President of the Friends of Holland Park^[1]