Voinea is a frequent surname in Romania. It may refer to:
- Adrian Voinea (born 1974), Romanian tennis player
- Albert Voinea (born 1992), Romanian soccer player
- Camelia Voinea (born 1970), Romanian gymnast
- Florea Voinea (born 1941), Romanian soccer player
- Liviu Voinea (born 1975), Romanian banker
- Maricel Voinea (born 1959), Romanian team handball player
- Marin Voinea (1935–2021), Romanian soccer player
- Petrișor Voinea (born 1990), Romanian soccer player
- Sabrina Maneca-Voinea (born 2007), Romanian artistic gymnast, daughter of Camelia
- Șerban Voinea (1894–1969), Romanian socialist politician and theorist
- Sorin Voinea (athlete) (born 2003), Romanian athlete
- Sorin Voinea (musician), Romanian musician