Gbaja-Biamila or Gbajabiamila is a surname. Notable people with the surname include:
Akbar Gbaja-Biamila (born 1979), American football linebacker Femi Gbajabiamila (born 1962), Nigerian lawyer, Action Congress politician, and Speaker of the House of Representatives Kabeer Gbaja-Biamila (born 1977), American football defensive end