Sir Walter Russell Crocker KBE (25 March 1902 - 14 November 2002) was an Australian diplomat, writer and war veteran.
He was born in Broken Hill, New South Wales, the eldest son of Robert Crocker and Alma Bray. He served in World War II with the British Army, becoming a Lieutenant Colonel. He was ambassador or high commissioner to eleven countries, including India (twice), Indonesia, Canada, Italy, Belgium, Nepal, the Netherlands, Ethiopia, Kenya and Uganda. He was a Lieutenant-Governor of South Australia. He had two sons, Robert and Christopher.
- Crocker, Walter (1971). Australian Ambassador: International Relations at First Hand. Melbourne University Press. ISBN 9780522839937.
- Crocker, Walter (1981). Travelling Back: The Memoirs of Sir Walter Crocker. Macmillan. ISBN 0-333-33721-2.
- Crocker, Walter (1983). Sir Thomas Playford: A Portrait. Melbourne University Press. ISBN 0-522-84250-X.
- Partington, Geoffery (2002-03-22). "Sir Walter Crocker at one hundred.". National Observer - Australia and World Affairs. Retrieved 2007-01-31.
- "Sir Walter Crocker Celebrates 100 Years" (Press release). Alexander Downer, MP. 2002-03-25. Retrieved 2007-01-31.
- "Sir Walter Crocker" (Press release). Alexander Downer, MP. 2002-11-14. Retrieved 2007-01-31.
- "Sir Walter Crocker dies, aged 100". The Advertiser (Adelaide). 2002-11-15.
- Riddell, Don (2002-11-16). "Outspoken statesman a man for all seasons". The Advertiser (Adelaide).
- Farquharson, John (2002-11-27). "Waspish diplomat with a sting in his political views". The Age (Melbourne).
- "Obituary of Sir Walter Crocker Colonial official and Australian ambassador who believed in the virtues of imperial rule". The Daily Telegraph (Sydney). 2002-11-27.
- Gate, Richard (2002-11-29). "Stylish reporting marked diplomat's honest manner". The Australian.