Reanne Weruche Opia (/wəˈruːtʃeɪ ˈoʊpiə/) (born April 11, 1987) is a British-Nigerian actress and entrepreneur. She is the founding CEO of the clothing line Jesus Junkie Clothing.

She was nominated for a British Academy Television Award for her performance in the BBC miniseries I May Destroy You (2020). Born in Lagos, Opia moved to South East London at the age of 13. Her father is an author and professor of social sciences and her mother is veteran Nigerian broadcaster and television host Ruth Benamaisia-Opia.