List of Famous people with last name Oldenburg

John II of Oldenburg was Count of Oldenburg from 1275 until around 1301.

Anna of Oldenburg was a Countess consort of East Frisia as the spouse of Count Enno II of East Frisia. She was the Regent of East Frisia in 1540/42–1561 as the guardian for her minor sons. Her reign lasted until 1561 and was generally supported by the Estates. Her chief advisor was her brother, count Christopher of Oldenburg. When she died in 1575, it was exactly 35 years after her own husband's death.

Conrad I of Oldenburg was the Count of Oldenburg from 1344 to 1347. He succeeded his brother, John III of Oldenburg.

Count John VII of Oldenburg and Delmenhorst was a member of the House of Oldenburg and was the ruling Count of County of Oldenburg from 1573 until his death. His parents were Count Anthony I of Oldenburg and Sophie of Saxe-Lauenburg.

Duke Alexander Frederick Constantin of Oldenburg was the second son of Duke Peter of Oldenburg and his wife Princess Therese of Nassau-Weilburg. Though he had a German title and ancestry, Alexander and his siblings were born and raised in St. Petersburg as the grandchildren of Grand Duchess Catherine Pavlovna of Russia.

Grand Duchess Alexandra Petrovna of Russia was a great-granddaughter of Emperor Paul I of Russia and the wife of Grand Duke Nicholas Nikolaevich of Russia, the elder.

Dietrich or Theoderic of Oldenburg was a feudal lord in Northern Germany, holding the counties of Delmenhorst and Oldenburg. He was called "Fortunatus", as he was able to secure Delmenhorst for his branch of the Oldenburgs.

Eilika Duchess of Oldenburg is the wife of Georg von Habsburg, the third in the line of succession to the former Austro-Hungarian throne. By birth she is the member of the House of Oldenburg, while by marriage she became a member of the House of Habsburg.

Anton-Günther, Duke of Oldenburg was the head of the Grand Ducal Family of Oldenburg.

Maurice I was Count of Oldenburg from 1169 through 1211. Count Maurice of Oldenburg was the son of Count Christian I of Oldenburg and his wife Kunigunde.