Henri Laudier (20 February 1878 – 10 October 1943) was a French journalist and politician.

In his early years he was a tailor and a town clerk before becoming a journalist.

Laudier was the editor of Tocsin, a socialist weekly publication.

[3] He was a Senator of the French Third Republic representing Cher elected in 1930 and reelected 1939, with his term ending upon his death in 1943.

[4] On 10 July 1940, he voted as a Senator in favour of granting the cabinet presided by Marshal Philippe Pétain authority to draw up a new constitution, thereby effectively ending the French Third Republic and establishing Vichy France.