The predominant religion is Christianity, estimated at around 84.9% of the population, followed by Hindus (6.7%) and Muslims (2.15%).
Chinese folk religion and Buddhism are also represented, among others.
Percentage in Réunion
| Religion | Percentage |
| Christians | 87.80% |
| – Roman Catholicism | – 81.80% |
| – Protestantism | – 4.20% |
| – Other Christians | – 1.80% |
| Hinduism | 6.70% |
| Islam | 4.20% |
| No religion | 1.70% |
| Other | 1.80% |