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:
He was just a workin' man,
Simple rules and simple plans,
Fancy words he didn't understand,
He loved with his heart,
He worked with his hands.
Liberals dream of equal rights,
Conservatives live in a world gone by,
Socialists preach of a promised land,
But old uncle son, was an ordinary man.
Bless you uncle son,
They won't forget you, when the revolution comes.
Unionists tell you when to strike,
Generals tell you when to fight,
Preachers tell you wrong from right,
They'll feed you when you're born,
And use you all your life.
Bless you uncle son,