Martine Billard (born 7 October 1952 in Boulogne-Billancourt, Hauts-de-Seine) is a French politician and a deputy to the National Assembly of France.

She studied economics at Panthéon-Assas University, and campaigned against far-right movements, which were especially active there.

After graduating in economics, she had several small jobs, and campaigned with far-left movements, against nuclear energy and in favour of Palestine against Zionism in the 1980s.

Between 1995 and 2001, she held the position of representative of the twentieth arrondissement on the City Council of Paris.

In 2005 and 2006, she worked on the DADVSI law project, trying to influence it toward more friendliness for Internet users.