GWA or Gwa may refer to:

Languages

  • Gua language (ISO 639-3: gwx), a Guang language of coastal Ghana
  • Gwa language (ISO 639-3: gwb), a Jarawan language of northern Nigeria
  • Mbato language (ISO 639-3: gwa), a Kwa language of Ivory Coast and Ghana

Science

  • GWA study or GWAS, Genome-wide association study
  • GW approximation, in quantum field theory

Places

  • Gwa, Myanmar, a town
  • Gwa Township, Myanmar, which includes the town

Organizations

  • Game Workers Alliance, trade union of the video game company Activision Blizzard
  • Gay Women's Alternative, in Washington, DC, United States
  • Georgia Writers Association, in the United States
  • Global Workspace Alliance, a trade organization
  • Global Wesleyan Alliance, a Methodist organization
  • German World Alliance, a worldwide organization of the Germans abroad
  • George Walton Academy, a private school in Monroe, Georgia, United States
  • George Washington Academy, an American school in Morocco
  • Georgia Women of Achievement, an organization in the United States
  • Golden West Airlines, a defunct American airline
  • Great Western Arms Company, a defunct American firearms manufacturer
  • GWA Group, an Australian company
  • One Rail Australia, an Australian rail freight operator formerly known as Genesee & Wyoming Australia