Baron Erik Teodor Marks von Würtemberg (1861, Björnlunda – 1937) was a Swedish jurist and politician. He served as Foreign Minister of Sweden 1923–1924 in the government of Ernst Trygger, representing the General Electoral Union. During his tenure, Sweden recognised the Soviet Union.

He was a member of the Swedish Supreme Court (Högsta domstolen) 1903–1920 and chief judge of the Svea Court of Appeal (Svea hovrätt) 1920–1931. He represented Sweden at the Paris Peace Conference in 1919 as well as at the Rome Conference of 1928 to revise the Berne Convention.^[1] From 1920 to 1929, he represented his home country in the League of Nations. He was subsequently a member of the Permanent Court of Arbitration in The Hague.