Luigi Umberto "Bert" Demarco (9 June 1924 – 17 March 2012) was a Scottish professional snooker player and billiard hall owner.

His father enforced a rule that no persons under 18, including his son, could play in the Jubilee hall, although the younger Demarco was allowed to use the billiard tables there on Sundays when the café was closed.

During World War II he joined the Royal Air Force as a volunteer from 1942, and served until 1946, in roles including mechanic and translator, travelling to Africa, Italy, and Palestine.

[3] Amongst the clubs he owned was Marco's Leisure Centre which, with 65 tables,[4] was the largest snooker hall in Europe.

Snooker historian Clive Everton wrote in an obituary that he was "for about 40 years, amongst the best half dozen players in Scotland.