Cliff Letcher (9 February 1952 – 31 December 2004) was a professional tennis player from Australia.

He played Davis Cup for Austria.

[1] Letcher enjoyed most of his tennis success while playing doubles.

During his career, he won two doubles titles and finished runner-up in doubles at three Grand Slam events.

[2] His children Clint, Chris and Sophie Letcher were also professional tennis players.