BAA

BAA may stand for:

• Batting average against in Major League Baseball
• BAA Ground, a now defunct cricket venue in Rangoon, Burma
• BAA Limited, formerly BAA plc, originally known as the British Airports Authority
• Bachelor of Applied Arts, the acronym for a Bachelor of Applied Arts degree
• Broadway Across America, a theatre company
• Broad Agency Announcement, a technique for United States government agencies to contract for basic and applied research and certain development
• Basketball Association of America, the former name of the National Basketball Association
• Bialla Airport, Papua, New Guinea, IATA airport code
• Billiard Association of America, former name of the Billiard Congress of America
• Birmingham Architectural Association
• Boston Athletic Association, sports association for the city of Boston, hosts such events as the Boston Marathon
• British Astronomical Association, senior national association of amateur astronomers in the UK

Baa may refer to:

• Baa, onomatopoetic representation of the noise made by sheep and goats
• Baa Atoll, an administrative division of the Maldives
• Baa, the fifth consonant of the Thaana script used of the Dhivehi language
• Baa, Indonesia, the capital of the Rote Ndao Regency