Daniel Vaillant (born 19 July 1949) is a French Socialist politician.

He also supported Jospin as candidate for the Socialist Party in the 2007 presidential election;[1] a candidacy which eventually did not materialize.

As of 2009, he is mayor of the 18th arrondissement of Paris (first election 1995) and a member of the National Assembly.

In October 2009, he proposed to decriminalize the personal use of cannabis through control of production and import, as is the case with alcohol.

This article about a Socialist Party of France politician is a stub.