Ibus or IBus may refer to:
Intelligent Input Bus (IBus), an input-method framework for Unix-like computer operating-systems iBus (London), an Automatic Vehicle Location system used on London's buses iBus (Indore), BRT buses of Indore International Bitterness Units scale (IBUs), a measure of the bitterness of beer iBUS (device), a bus-monitoring and -management device for road transport systems
See also Ibis