Delaine Buses[1] is a bus operator based in Bourne, Lincolnshire, England.

In 1890 William Smith began a horse drawn passenger service.

[2][1] As of July 2020, Delaine Buses operates seven bus routes.

[3] From the 1930s to the 1990s, the majority of vehicles in the Delaine fleet were of Bedford or Leyland manufacture.

[4] By 1995 Delaine had standardised on Volvos with East Lancs body, followed by switching over to Wrights in 2009 after East Lancs merged with Optare.