| MR | a form of address for a man |
|---|---|
| MR | Japanese sleuth created by John Marquand |
| MR | a machine-readable version of a standard dictionary |
| MR | the use of nuclear magnetic resonance of protons to produce proton density images |
| MR | the template for protein synthesis |
| MR | a form of address for a married woman |
| MR | daughter of Nehru who served as Prime Minister of India from 1966 to 1977 (1917-1984) |
| MR | English writer of novels about murders and thefts and forgeries (1814-1887) |
| MR | English writer of novels who was an active opponent of the women's suffrage movement (1851-1920) |
| MR | American divorcee whose marriage to Edward VIII created a constitutional crisis leading to his abdication |