Hornibrook Bus Lines is an Australian operator of bus services in the Redcliffe Peninsula and surrounding Upper Bayside area of Brisbane.

It operates 16 services under contract to the Queensland Government under the Translink banner.

[2] In 1975 Hornibrook Bus Lines was purchased by Geoff Mountjoy.

[2] In 1998 South Western Suburban Transit was purchased.

[1] Depots are operated in Clontarf and North Lakes.