Kilbirnie is a town in Ayrshire, Scotland. Kilbirnie may also refer to:
Australia Kilbirnie, Queensland, a locality in the Toowoomba Region, Australia
New Zealand Kilbirnie, New Zealand, a suburb of Wellington
Scotland Kilbirnie Loch, a freshwater lake Kilbirnie railway station, a former railway station Kilbirnie South railway station, a former railway station Barony and Castle of Kilbirnie, remains of an old castle