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
• Rouge the Bat, a character from the Sonic the Hedgehog franchise.