Ba (or Bah) is a West African surname, may refer to:
- Abdallah Ba (born 1975), Guinean footballer
- Almamy Schuman Bah (born 1974), Guinean footballer
- Georges Ba (born 1979), Cote d'Ivoire footballer
- Ibrahim Ba, (born 1973) Senelagese-French footballer
- Ibrahima Ba (born 1984), Senelagese footballer
- Issa Ba (born 1981) , Senelagese footballer
- Mamadu Alphajor Bah (born 1977), Sierra Leonean footballer
- Pape Samba Ba (born 1982), Senelagese footballer
- Thierno Bah (born 1982), Guinean-Swiss footballer
