Brenda Kirk (11 January 1951 – 6 September 2015) was a South African tennis player.

[1] Her best singles result at a Grand Slam tournament was reaching the third round at the 1971 Wimbledon Championships.

[2] In January 1971, she won the singles title of the Natal Sugar Championships.

She played for the South African Fed Cup team in 15 ties between 1969 and 1973 comprising a record of 17 wins and 10 losses.

She was part of the South African team that won the Federation Cup in 1972 after a victory in the final over Great Britain at Ellis Park in Johannesburg, South Africa.