Catherine Cessac (born 19 August 1952 in Bordeaux) is a French musicologist and music publisher.
From 1990 to 2003, she was the editor of the Bulletins of the "Société Marc-Antoine Charpentier".
In 2004, she was commissioned by the French Ministry of Culture to organize national festivals for the 300th anniversary of the death of composer Marc-Antoine Charpentier, as well as the creation of a website by the CMBV, on the life and work of Charpentier.
French classical music of the seventeenth and eighteenth is the main field of her studies.
In 1988, her book Marc-Antoine Charpentier received the Académie Charles-Cros prize.