Olsen or Ölsen may refer to:
Olsen Danish pronunciation: [ˈoːˀlsn̩] is a Danish-Norwegian patronymic surname meaning "son of Ole". The surname Olesen Danish pronunciation: [ˈoːləsn] has a similar origin. The Swedish parallel form is Olsson - "son of Ola". Danish and Norwegian immigrants to English-speaking countries often changed the spelling to Olson in order to accommodate English orthographic rules.
Notable people with the surname include:
It snowed again we trip back to the lights falling over
and taking it slowly come on it's too quiet to be started
yet come on i heard it on the radio the cold next time