List of Famous people named Olaus

Olaus Rudbeck was a Swedish scientist and writer, professor of medicine at Uppsala University and for several periods rector magnificus of the same university. He was born in Västerås, the son of Bishop Johannes Rudbeckius, who was personal chaplain to King Gustavus Adolphus, and the father of botanist Olof Rudbeck the Younger. Rudbeck is primarily known for his contributions in two fields: human anatomy and linguistics, but he was also accomplished in many other fields including music and botany. He established the first botanical garden in Sweden at Uppsala, called Rudbeck's Garden, but which was renamed a hundred years later for his son's student, the botanist Carl Linnaeus.

Olaus Magnus was a Swedish writer, cartographer, and Catholic ecclesiastic.

Olof Persson, sometimes Petersson, better known under the Latin form of his name, Olaus Petri, was a clergyman, writer, judge and major contributor to the Protestant Reformation in Sweden. His brother, Laurentius Petri, became the first Evangelical Lutheran Archbishop of Sweden.

Olaus Magnus Friedrich Erdmann Henrici, FRS was a German mathematician who became a professor in London.

Olaus (Olov) Svebilius was a Swedish priest and professor. He was Bishop of the Diocese of Linköping and Archbishop of Uppsala. His most notable work was Martin Luthers Lilla katekes med Katekesförklaring, a Swedish language translation and explanation of Luther's Small Catechism.