| Stephen Mills | |
| Office1: | Comptroller-General of the Department of Trade and Customs |
| Term Start1: | 15 September 1913 |
| Term End1: | 22 September 1922 |
| Birth Date: | 23 September 1857 |
| Birth Place: | Sydney |
| Death Place: | Glen Iris, Melbourne |
| Occupation: | Public servant |
| Nationality: |  Australian |
| Spouse: | Alice Maud Hudson (m. 1890) |
Stephen Mills (23 September 18571 November 1948) was a senior Australian public servant, best known for his long association with the Department of Trade and Customs.
Stephen Mills was born in Sydney on 23 September 1857 to parents Emily and John Mills.
Between 1913 and 1922, Mills was Comptroller-General of the Department of Trade and Customs.
Mills died on 1 November 1948, in Glen Iris, Melbourne and was cremated.
In June 1920, Mills was appointed a Companion of the Order of St Michael and St George, for his service as Controller-General of the Trade and Customs Department.