WTB may refer to:
Walk Thru the Bible Ministries, a Christian educational organization Warenterminbörse Hannover, a German futures exchange Welcome to Bloxburg, a Roblox experience Welsh Tourist Board, former name of the Welsh Assembly Government's tourism team, Visit Wales Wilderness Trail Bikes, a US-based bicycle component company Wire Train Bus, a fieldbus used in train control systems, and described in IEC 61375 With The Beatles, the second album by The Beatles Toowoomba Wellcamp Airport, IATA airport code Woytinsky-Tarnow-Baade plan, a proposed economic program in the Weimar Republic