WAB

WAB may refer to:


 * Wabash Railroad
 * Warhammer Ancient Battles, a tabletop wargame produced by Games Workshop
 * Weebl and Bob
 * Weekend at Bernie's, 1989 film
 * Wengernalpbahn railway in Switzerland
 * Werkverzeichnis Anton Bruckner, a catalogue of Anton Bruckner's works edited by Renate Grasberger
 * Western Academy of Beijing, an international school in Beijing, China
 * Western Aphasia Battery
 * Windows Address Book
 * Warwickshire Association for the Blind
 * European Union (Withdrawal Agreement) Bill 2017–19
 * Workers' Aid for Bosnia
 * "W.A.B" (an acronym of Weak-Ass Bitch), a song by Megan Thee Stallion from her mixtape Fever