Diane Coates

Diane Coates married name Seaman (25 June 1932 – 21 November 2021) was a British athlete who comepeted at the 1952 Summer Olympics.

Career Coates became the national javelin champion after winning the British WAAA Championships title at the 1950 WAAA Championships and successfully retained her title at the 1951 WAAA Championships and 1952 WAAA Championships.

Coates was selected to represent Great Britain in the women's javelin throw competition at the 1952 Olympic Games in Helsinki, where she finished 15th.