Baez or Báez is a surname of Hispanic origin meaning son of Pelayo (Peláez > Páez > Báez); it may refer to:
- Albert Baez (1912–2007), physicist, father of Joan Baez
- Anthony Baez (1965–1994), victim of NYPD police brutality.
- Danys Báez (born 1977), Cuban born baseball player for the Philadelphia Phillies
- Joan Baez (born 1941), American folk singer
- John C. Baez (born 1961), mathematical physicist, cousin of Joan Baez
- Jose Baez (disambiguation), several people
- Báez, a town in Villa Clara Province, Cuba
- All pages with titles containing "Baez" or "Báez"