Ritenbenck or Ritenbenk (Greenlandic: Appat) is a former settlement on Appat Island in the Qaasuitsup municipality in northwestern Greenland. The island is located in the Uummannaq Fjord.
Ritenbenck was founded in 1755 by the General Trade Company. The name was an anagram of the GTC's then-chairman Christian August Berckentin (1694–1758).
Coordinates: 69°46′01″N 51°19′01″W / 69.767°N 51.317°W