Elva Joan Blacker (1908 – 10 April 1984) was an English painter, known for her depictions of Royal Air Force personnel during World War II.

[5] Her work was also exhibited in her first London show at a gallery on Bond Street,[5] at the Paris Salon and at the Royal Scottish Academy.

[4] Her portrait sitters in this period included the animal rights activist Nina Douglas-Hamilton, Duchess of Hamilton, and the actress Gladys Cooper.

[4] Her works in this period used mostly watercolour, but also variously involved pencil drawing, pen or brush and ink, or oil on board and canvas.

28 Group in London, when she chose to extended her service to begin work as an Educational and Vocational Training Instructor, helping men to return to civilian life.

[4] She became acquainted with Dame Lillian Bayliss and used her contacts to paint people from the world of theatre (for example, John Reynolds Ruddock[3]), and to recruit Graham Sutherland as President of the Sutton Arts Network, with which she was involved.

[4][12] Percy Bernard, 5th Earl of Bandon, who was Air Staff Officer, South East Asia Command, sat for a portrait that is now in the RAF Museum.

[4][13] In Kuala Lumpur, one of her paintings was purchased by Raja Permaisuri Agong, Tunku Puan Besar Kurshiah.

[3] In September 2020, a number of works, still in the possession of her family were shown on a special edition of the BBC Television programme Antiques Roadshow, to mark the 80th anniversary of the Battle of Britain, by her great-niece.