Sir James William Ronald Macleay GCMG was a British diplomat.
- Occupation
- diplomat
- Position held
- ambassador of the United Kingdom to Argentina, ambassador of the United Kingdom to China, ambassador of the United Kingdom to Czechoslovakia, ambassador of the United Kingdom to Argentina
- Citizenship
- United Kingdom, United Kingdom of Great Britain and Ireland
- Born
- 1870, July 9, 1870
- Died
- 1943, March 5, 1943