| Age | 89 (age at death) |
| Birthday | 6 November, 1933 |
| Birthplace | Havana, Cuba |
| Died | 31 March, 2023 |
| Zodiac Sign | Scorpio |
| Nationality | American |
| Occupation | Activist |
Ada C. Bello (November 6, 1933 – March 31, 2023) was a Cuban American LGBT rights activist and medical laboratory researcher. She was a founder of the Philadelphia Chapter of Daughters of Bilitis and the Homophile Action League. Bello led activism efforts for the LGBT community beginning in the late 1960s and served in advocacy roles including as a board member of the LGBT Elder Initiative.
