List of Famous people named Constantin

Constantin Fehrenbach, sometimes falsely, Konstantin Fehrenbach, was a German Catholic politician who was one of the major leaders of the Centre Party or Zentrum. He served as President of the Reichstag in 1918, and then as President of the Weimar National Assembly from 1919 to 1920. In June 1920, Fehrenbach became Chancellor of Germany. He resigned in May 1921 over the issue of war reparation payments to the Allies. Fehrenbach headed the Centre Party's Reichstag fraction from 1923 until his death in 1926.

Carl Christian Constantin Hansen was one of the painters associated with the Golden Age of Danish Painting. He was deeply interested in literature and mythology, and inspired by art historian Niels Laurits Høyen, he tried to recreate a national historical painting based on Norse mythology. He painted also many altarpieces and portraits, including the monumental oil painting The Danish Constituent Assembly between 1861 and 1865.

Prince Constantin Franz Nikolaus Karl Heinrich Dagobert Anton von Padua Ildefons Maria von Liechtenstein was a Liechtenstein prince and alpine skier who competed in the 1948 Winter Olympics.

Johan Christian Constantin Brun was a German-Danish merchant. Born in Germany, came to Denmark as Royal administrator of the trade on the Danish West Indies and in the same time built a successful private trading empire during the early Napoleonic Wars of the late 18th century, profiting on Denmark's neutrality.

Konstantin Vladimirovich Arnoldi was a Soviet and Russian biologist and entomologist. He was the son of Vladimir Arnoldi.

Constantin or Constantine Cantemir (1612–1693) was a Moldavian nobleman, soldier, and statesman who served as voivode between 25 June 1685 and 27 March 1693. He established the Cantemir dynasty which—with interruptions—ruled Moldavia prior to the imposition of phanariot rule.

Constantin Movilă is the Prince of Moldavia from 1607 to 1611. The son of Prince Ieremia Movilă and driven by his mother, the ambitious Erszébet Csomortany de Losoncz, he twice seized the Moldovan throne at the expense of his cousin Mihai Movilă, son of Simion I Movilă in 1607.