A royal yacht is a vessel commissioned for the exclusive use of a monarch or a royal family. If the monarch is an emperor the proper term is imperial yacht. Most of them are financed by the government
HDMY Dannebrog
Trinacria
Norge
The MY Al Said operated by the Oman Royal Yacht Squadron
HNoMY Norge is the Royal Yacht of the king of Norway. One of only three remaining Royal Yachts in Europe, the ship's name Norge is Norwegian Bokmål for Norway. The Royal Yacht Norge was the Norwegian
Royal yacht
…Stjernen II (1945–present) Norge (1947–present) Horten (1985…