RTB may refer to: Businesses and organisations Reasons to Believe, a creationist group 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 Military Return To Base, shorthand military command Ranger Training Brigade, of the U.S. Army Ranger School Other uses Juan Manuel Gálvez International Airport (IATA airport code), Roatán, Honduras Real-time bidding, in online advertising Rothwell Temperance Band, UK, established 1881 Return-to-battery failure, a type of firearm malfunction "Row the Boat," a slogan associated with college football coach P.J. Fleck