PTB

PTB may refer to:

Government and politics

• Bermuda Public Transportation Board
• Bessarabian Peasants' Party (Romanian: Partidul Țărănesc din Basarabia), a political party in the Kingdom of Romania
• Brazilian Labour Party (historical) (Portuguese: Partido Trabalhista Brasileiro), dismantled after the 1964 military-led coup d'état
• Brazilian Labour Party (current) (Portuguese: Partido Trabalhista Brasileiro), founded 1981
• Pakistan Tobacco Board
• Party of Labour of Burkina (French: Parti du Travail de Burkina), a political party in Burkina Faso
• Physikalisch-Technische Bundesanstalt, the national metrology institute of Germany
• Workers' Party of Belgium (French: Parti du Travail de Belgique), a Belgian political party

Science and medicine

• N-Phenacylthiazolium bromide, a cross-link breaker
• Permian-Triassic boundary, a mass extinction event
• Phosphotyrosine-binding domain (PTB-domain), a protein domain
• Polypyrimidine tract-binding protein, an RNA-binding protein
• Pulmonary tuberculosis, manifestation of tuberculosis in the lungs

Technology

• Project team builder, a project management simulator
• Public Test Build, of the game Dead by Daylight
• Push to break, electronics push switch
• Packet Too Big, an ICMPv6 message; see IPv6 packet
• Pounds of salt per thousand barrels of crude oil; see Desalter
• .ptb, a file extension used by musical tablature authoring tool Power Tab Editor

Transport

• Pentre-bach railway station, in Wales
• Petit train de banlieue, a passenger train in Senegal
• Petersburg station, an Amtrak station serving Petersburg, Virginia
• Voepass Linhas Aéreas, a Brazilian airline

Other uses

• P.T.B (album), by rapcore group Kingspade
• Placer Theatre Ballet, an American ballet company
• Portland Trail Blazers, an American professional basketball team
• Proto-Tibeto-Burman language
• Proto-Torres-Banks language, a reconstructed language from Vanuatu

See also

• The powers that be (disambiguation)