Reena is a given name and a variant of Rena
Notable people with the given name include:
- Nisha (actress), Indian film actress in Malayalam films
- Reena Bhardwaj, British Indian singer, songwriter and recording artist
- Reena Kaushal Dharmshaktu, first Indian woman to ski to the South Pole
- Reena Saini Kallat, Indian artist
- Reena Kumari, Indian athlete
- Reena Ninan, Female bodybuilder
- Reena Raggi, US Federal Judge
- Reena Roy, Hindi film actress