Kwa or KWA may refer to:

• Kwah language, spoken in Nigeria
• Kwa' language, spoken in Cameroon
• Kwa languages (or New Kwa), a disputed Niger–Congo subfamily
• Volta–Niger languages (or East Kwa), a Niger–Congo subsubfamily
• Dâw language, spoken in Brazil (ISO 639-3:kwa)

• Karegnondi Water Authority, Michigan, US
• Khmer Writers' Association, Cambodia

• Kwa Geok Choo, Singaporean lawyer
• Kwah, Canadian Dakelh leader

• Kwah River, Congo
• Great Kwa River, Nigeria
• Bucholz Army Airfield, Marshall Islands, (IATA code:KWA)