The 1986 UK Championship (officially the 1986 Tennent's UK Championship) was a professional ranking snooker tournament that took place between 22 and 30 November 1986 at the Guild Hall in Preston, England.

Scottish brewing company Tennent's took over as sponsors of the UK Championship when Coral withdrew their sponsorship after eight years.

[3] Steve Davis won his fifth UK title by defeating Neal Foulds 16–7 in the final; Foulds had won the International Open two months earlier.

The event is more remembered for Alex Higgins headbutting the Tournament Director Paul Hatherell following his last 16 victory against Mike Hallett.

The incident threatening him to be removed from the tournament but he stayed and after defeating Wayne Jones in the quarter finals, he lost 3-9 to Steve Davis in the semi-final.