| Age | 80 (age at death) |
| Birthday | 6 March, 1897 |
| Birthplace | Pittston, Pennsylvania |
| Died | 6 January, 1978 |
| Place of Death | Abacoa, Florida, U.S. |
| Zodiac Sign | Pisces |
| Nationality | American |
| Occupation | Philanthropist |
John Donald MacArthur (March 6, 1897 – January 6, 1978) was an American businessman and philanthropist who established the John D. and Catherine T. MacArthur Foundation, benefactor in the MacArthur Fellowships.
