WTB

WTB may refer to:


 * Walk Thru the Bible Ministries, a Christian educational organization
 * Warenterminbörse Hannover, a German futures exchange
 * 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