The Highland Chieftain is a named British passenger train operated by London North Eastern Railway.

It operates daily in each direction between London King's Cross and Inverness via the East Coast and Highland Main Line.

Historically, the principal train service between London and the Scottish Highlands was The Clansman, which ran via the West Coast Main Line.

[4] Electric locomotive 87023, which operated on the West Coast Main Line, was named Highland Chieftain between 1978 and 1984, but never had an association with the passenger service.

[5] LNER High Speed Train power car 43308, which has operated the service, was later named Highland Chieftain.