WTA may refer to:

• Washington Trails Association
• Whatcom Transportation Authority
• Waskahegan Trail Association, the management board for the Waskahegan Trail
• Water Transit Authority, former name of the San Francisco Bay Area Water Emergency Transportation Authority
• Whatcom Transportation Authority, a bus agency in Washington State, USA
• Wichita Terminal Association, a railroad
• Wisconsin Towns Association
• Women's Tennis Association
• World Transhumanist Association, former name of Humanity+

• Wall teichoic acid, teichoic acids that are covalently bound to peptidoglycan in bacteria
• Warcop Training Area, a UK Ministry of Defence military training area, Cumbria, North West England
• Weapon target assignment problem
• Willingness to accept
• Winner takes all (disambiguation)

This disambiguation page lists articles associated with the title WTA.
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