GWA

• 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

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

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

• 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

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