Radu Negru may refer to:
- Radu Negru, a mythical Wallachian voivode
- Radu Negru (footballer), Romanian footballer
- Radu Negru, a village in Călineşti Commune, Argeș County, Romania
- Radu Negru, a village in Modelu Commune, Călăraşi County, Romania
- Radu Negru National College, a high school in Făgăraș, Romania