Ragnvald Ørnulf Rolsdorph Dahl (15 February 1900 – 8 December 1971) was a Norwegian military officer.
He was born in Hamar, and was a brother of Arne Dagfin Dahl.
He was promoted Major General in 1955, and head of the 1st Division.
He was decorated Commander of the Order of St. Olav in 1965.
This biographical article related to the Norwegian military is a stub.