CUB may refer to: Carlton & United Breweries Communauté Urbaine de Bordeaux, French for Urban Community of Bordeaux Cuba CUB (protein domain) CUB (car) CUB's the ICAO airline designator for Cubana CUB's the IATA airport code for Columbia Owens Downtown Airport, United States C.U. Burn, a cult Irish language TV comedy series featuring sibling funeral directors and their rundown crematorium… (More on Cub)