Maurice Paul Auguste Charles Fabry (June 11 1867 / Marseille, France – December 11 1945 / Paris, France) was a French physicist.

He and Henri Buisson discovered the ozone layer in 1913. In optics, he discovered an explanation for the phenomenon of interference fringes. Together with his collegue Alfred Pérot he invented the Fabry-Pérot interferometer.

He won the Henry Draper Medal in 1919.

A good biography, in French, can be found at http://www-obs.cnrs-mrs.fr/tricent/astronomes/fabry.htm