Olivier Magne (born 11th April 1973) is a French rugby union player. He is an international back row forward.

He joined Stade Aurillac as a boy in 1979. He went on to play for Brive and Dax. He joined Clermont Auvergne (then known as Montferrand) for the 1999/2000 season.

Magne made his debut for France in 1994 and has since been awarded 80 international caps. He is one of only two French forwards to have won four Grand Slam titles. He played a starring role in the 1999 and 2003 Rugby World Cups, playing in all France’s matches in both tournaments. He has been a consistent member of Bernard Laporte’s squads playing in all of 2004’s Six Nations matches and has been selected for the 2005 tour of South Africa and Australia.

Magne joined London Irish from Clermont Auvergne in 2005.