Cleone Patricia Rivett-Carnac (21 April 1933 – 20 January 2003) was a New Zealand javelin thrower.

[3][4] Her great-great-great grandfather, Sir James Rivett-Carnac, 1st Baronet, was the Governor of the Bombay Presidency of British India from 1838 to 1841.

[5][6] Trained by her father,[7] Rivett-Carnac won the New Zealand national javelin title five times: in 1949, 1951, 1952, 1953, and 1954.

[7] At the 1950 British Empire Games in Auckland, she won the bronze medal in the javelin throw,[9] with Yvette Williams finishing second in the same event.

[11] Napier Girls' High School awards the Cleone Rivett-Carnac Cup for outstanding sporting achievement.