Duchess Olga of Württemberg (German: Herzogin Olga Alexandrine Marie von Württemberg; 1 March 1876 – 21 October 1932) was a daughter of Duke Eugen of Württemberg and Grand Duchess Vera Constantinovna of Russia. She married Prince Maximilian of Schaumburg-Lippe.

Princess Olga was born at Stuttgart, Württemberg, the younger twin daughter of Duke Eugen of Württemberg (1846–1877), (son of Duke Eugen of Württemberg, and Princess Mathilde of Schaumburg-Lippe) and his wife, Grand Duchess Vera Constantinovna of Russia (1854–1912), (daughter of Grand Duke Konstantin Nikolayevich of Russia and Princess Alexandra of Saxe-Altenburg). Her older twin was Duchess Elsa of Württemberg (1876–1932). They did not look alike and Olga, much taller than her sister, seemed to be the elder of the two.

There were plans to marry Princess Olga to Prince Maximilian of Baden, but he ultimately married Princess Marie Louise of Hanover. In March 1898 there were reports of her engagement to Prince Eugen of Sweden, the youngest son of King Oscar II of Sweden. The marriage never occurred. Prince Eugen, a notable artist, remained a bachelor.

Olga married Prince Maximilian of Schaumburg-Lippe (13 March 1871 – 1 April 1904) on 3 November 1898 at Stuttgart, Baden-Württemberg. He was a son of Wilhelm, Prince of Schaumburg-Lippe, and Bathildis, Princess of Anhalt-Dessau.