| Cassius Aurelius Boone | |
| Office: | 7th Mayor of Orlando |
| Term Start: | 1881 |
| Term End: | 1882 |
| Predecessor: | Charles Dennison Sweet |
| Successor: | John Letcher Bryan |
| Birth Date: | 2 February 1850 |
| Birth Place: | Haywood, North Carolina |
| Death Place: | Orlando, Florida |
| Party: | Democratic |
| Spouse: | Sarah Hughey |
Cassius Aurelius Boone (February 2, 1850 – December 11, 1917) was an American politician who served as the seventh mayor of Orlando, Florida, from 1881 to 1882. He was also involved in the hardware and furniture business. He married Sarah Hughey on May 10, 1873. He died when he was 67 and he was interred at Greenwood Cemetery in Orlando.[1]