Yachts belonging to members of certain long-established Canadian yacht clubs, such as, the Royal Cape Breton Yacht Club, Champlain Yacht Club, Montreal Yacht Club, Royal Canadian Yacht Club, Royal Kennebaccasis Yacht Club, Royal Lake of the Woods Yacht Club, Royal Newfoundland Yacht Club, Royal St. Lawrence Yacht Club, Royal Vancouver Yacht Club, and Royal Victoria Yacht Club.
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Yachts belonging to members of certain long-established British yacht clubs, such as the Royal Engineers Yacht Club, The Royal Motor Yacht Club, the Royal Ulster Yacht Club and the Royal Northern & Clyde Yacht Club.
NYPD Blue | Toronto Blue Jays | Blue Peter | Blue | Blue Ridge Mountains | Blue Öyster Cult | Blue Note Records | Blue Heelers | Pokémon Red and Blue | Winnipeg Blue Bombers | Blue Nile | Ensign | Blue's Clues | ''Pokémon Red'' and ''Blue'' | Blue Man Group | Vida Blue | The Blue Danube | Rhapsody in Blue | blue plaque | Blue Mountain State | Blue Cheer | Blue Bloods | Blue Beetle | Ateneo Blue Eagles | Project Blue Book | Blue Hill, Maine | Operation Blue Star | Kind of Blue | Blue Bloods (TV series) | Blue Angels |
Canada also used a blue ensign for ships operated by the Canadian government and for the Royal Canadian Navy.