BRA may refer to:

• Baloch Republican Army, a Pakistani guerrilla army
• Bangladesh Railway Authority
• Basic rate access, an ISDN technology
• Basic Research Action, a European ESPRIT initiative for basic research projects
• Belfast Royal Academy, a Northern Ireland school
• Bentley Rhythm Ace, an English band
• Bilateral renal agenesis, a fetal medical condition
• Boston Redevelopment Authority, an American planning agency
• Bougainville Revolutionary Army, a Papua New Guinea revolutionary army
• Boy Rangers of America, an American youth organization
• Brazil (ISO 3166-1 alpha-3 code)
• Barreiras Airport (IATA code), in Brazil
• BRA Transportes Aéreos, a former Brazilian airline
• Brattleboro station (Amtrak station code), a rail station in Windham County, Vermont, United States
• Breton Revolutionary Army, a French armed nationalist organisation
• Brigadier, Royal Artillery, the divisional artillery commander in a Commonwealth army division
• British Records Association, a United Kingdom learned society concerned with historic records and archives

A bra (or brassiere ) is a form-fitting  undergarment designed to support a woman's breasts. Swimsuits, camisoles, tank tops and backless dresses may be made with built-in support.

The Swedish National Council for Crime Prevention (, abbreviated Brå) is a Swedish government agency organized under the Ministry of Justice, and acts as a center for research and development within the judicial system.