| Bioko Sur | |
| Settlement Type: | Province |
| Subdivision Type: | Country |
| Subdivision Name: | Equatorial Guinea |
| Subdivision Type1: | Capital |
| Subdivision Name1: | Luba |
| Area Total Km2: | 1241 |
| Population As Of: | 2015 |
| Population Footnotes: | [1] |
| Population Total: | 34674 |
| Population Density Km2: | auto |
Bioko Sur (pronounced as /es/ Spanish for "South Bioko") is a province of Equatorial Guinea. Its capital is Luba. It occupies the southern part of the island of Bioko, the remainder of which is part of Bioko Norte.
Part of the Parque Nacional del Pico Basilé, created in 2000, is in Bioko Sur.