RTB

RTB may refer to:

Businesses and organisations

 * Reasons to Believe, a creationist group
 * Residential Tenancies Board of Ireland; see State Agencies of the Republic of Ireland
 * Richard Thomas and Baldwins, a former British steelmaker

Broadcasters

 * RTBF, Belgium
 * Radio Television of Belgrade, Yugoslavia
 * Radio Television Brunei
 * Radio Télévision du Burkina, Burkina Faso

Other uses

 * Juan Manuel Gálvez International Airport (IATA airport code), Roatán, Honduras
 * Real-time bidding, in online advertising
 * Right to Buy, a policy of the United Kingdom government, allowing some tenants to purchase their home
 * Rothwell Temperance Band, a UK brass band