The name Orenthal is of Hebrew, Gaelic and Irish origin. The meaning of Orenthal is 'valley of the eagles' or 'pine tree'. It may also be a variant of the medieval German name Orendal, which means ‘morning star’. It is not commonly used as a person’s name, and is not popular. This name is also believed to have its origins in Norwegian or Swedish surnames like Orendahl and or Orendal, which refers to ‘the valley’.