The Linlithgow Union Canal Society is a waterway society and a Scottish registered charity based at Linlithgow Canal Centre on the Union Canal at Linlithgow, West Lothian, Scotland. Also known as "LUCS", it was founded in 1975 by Melville Gray to "promote and encourage the restoration and use of the Union Canal, particularly in the vicinity of Linlithgow".
From 1970, Mel Gray had started to clear the towpath with the help of boys from HMYOI Polmont, a Young Offenders Institution. This was followed by the first boaters' Rally at Linlithgow Canal Centre, organised by the Scottish Inland Waterways Association and the Scottish Civic Trust in 1972. In 1975 the Society acquired an old dredger from the (then) British Waterways Board, now Scottish Canals.
In the Seventies and Eighties, other canal societies began to be formed on the Union Canal and the Forth & Clyde Canal, including Edinburgh Canal Society, Forth Canoe Club, Bridge 19-40 Canal Society and others. Persistent campaigning resulted in the restoration of the Scottish Lowland canals through the Millennium Link Project of which Linlithgow Union Canal Society was an official Partner. The Link connects the Union and Forth & Clyde canals by way of the unique Falkirk Wheel boat lift.