| John Aloysius Brett | |
| Birth Date: | 1879 |
| Death Date: | 1955 |
John Aloysius Brett (1879–1955) was an administrator in British India. He served as Chief Commissioner of Baluchistan during the 1930s.[1]
Brett was commissioned as a Second lieutenant in the Royal Garrison Artillery on 26 May 1900, and was promoted to the rank of Lieutenant on 7 March 1902. He transferred to the Indian Staff Corps later the same year.