Barzaga is a surname. Notable people with the surname include:
Elpidio Barzaga Jr. (1950–2024), Filipino lawyer and politician Jenny Barzaga (born 1975), Filipino nurse and politician Kiko Barzaga (born 1998), Filipino politician and animal welfare advocate Mijail Bárzaga, Cuban dissident Norbelis Bárzaga (born 1975), Cuban sport shooter Third Barzaga, Filipino politician