Youngest person nominated for a Best Supporting Actress Oscar
- Who
- Tatum O'Neal
- Where
- United States (Hollywood,)
- When
- 19 February 1974
Tatum O'Neal (USA, b. 5 November 1963) was nominated for her role in Paper Moon (USA 1973) on the 19 February 1974 at the age of 10 years 106 days. She went on to win the Oscar.
| Name | Born | Film | Nominated | Age |
| Tatum O'Neal (USA) | 5 November 1963 | Paper Moon (USA 1973) | 19 February 1974 | 10 years 106 days |
| Mary Badham (USA) | 7 October 1952 | To Kill a Mockingbird (USA 1982) | 25 February 1963 | 10 years 141 days |
| Abigail Breslin(USA) | 14 April 1996 | Little Miss Sunshine (USA 1982) | 23 January 2007 | 10 years 284 days |
| Quinn Cummings (USA) | 13 Auguast 1967 | The Goodbye Girl (USA 1977) | 21 February 1978 | 10 years 192 days |
| Patty McCormack (USA) | 21 August 1945 | The Bad Seed (USA 1956) | 18 February 1957 | 11 years 181 days |
| Anna Paquin (Canada) | 24 July 1982 | The PIano (USA 1993) | 9 February 1994 | 11 years 200 days |