Yves Marie François Le Trocquer ( 4 October 1877 – 21 February 1938) was a French civil engineer, administrator and politician.

[2] Le Trocquer entered the Ecole polytechnique, and after graduation became a member of the Corps des ponts et chaussées.

[4] Soon after being elected Le Trocquer was appointed Undersecretary of State for Liquidation of Stocks in the second cabinet of Georges Clemenceau.

[3] Le Trocquer was next appointed Minister of Public Works in the first cabinet of Alexandre Millerand, and held this position for four and a half years in seven different governments.

[6] In 1922 Le Trocquer warned that in less than ten years Germany would no longer be obliged by treaty to deliver coke.

[3] Le Trocquer developed the concept of "green coal", by which the water network could be put to the use of Breton industry.

[4] After leaving the cabinet Le Trocquer continued to be interested in the question of reparations, and participated in a committee of inquiry on this subject.

[3] The French Committee of the European Customs Union (UDE) was constituted on 28 January 1927, headed by Charles Gide and Yves Le Trocquer.

[4] In 1928 Le Trocquet was chairman of the Franco-German liaison committee of French parliamentarians, with Aristide Briand and Joseph Paul-Boncour as honorary convenors.

The granite monument to Troquet with a bronze medallion of his head by the sculptor Renaud was inaugurated in the Place Le Trocquer after World War II (1939–45) in a ceremony attended by the deputy René Pleven.