Following is a list of senators of Orne, people who have represented the department of Orne in the Senate of France.

Senators for Orne under the French Third Republic were:^[1]

• Alfred de Flers (1876–1883)
• Léon de La Sicotière (1876–1895)
• Charles Poriquet (1876–1910)
• Marcel Libert (1885–1892)
• Léon Labbé (1892–1916)
• Paul Fleury (1895–1931)
• Louis Cachet (1910–1914)
• Robert Leneveu (1920–1927)
• Alfred Oriot (1920–1927)
• Georges Dentu (1927–1940)
• Alexandre Millerand (1927–1940)
• René de Ludre-Frolois (1931–1940)

Senators for Orne under the French Fourth Republic were:^[2]

• Raymond Le Terrier (1946–1948)
• Étienne Le Sassier Boisauné (1946–1948 et de 1952–1959)
• Pierre Couinaud (1948–1951)
• Marcel Hébert (1948–1952)
• Gaston Meillon (1951–1952) and (1956–1959)
• René Laniel (1952–1956)

Senators for Orne under the French Fifth Republic were:^[3]

• Paul Pelleray (1959–1974)
• Étienne Le Sassier Boisauné (1959–1965)
• Hubert d'Andigné (1965–1992)
• Henri Olivier (1974–1992)
• Daniel Goulet (1992–2007)
• Alain Lambert (1992–2002 et de 2004–2010)
• Brigitte Luypaert (2002–2004)
• Jean-Claude Lenoir (2011–2017)

As of January 2018 the senators were:^[4]