Viscount Simon is a title in the Peerage of the United Kingdom. It was created in 1940 for Sir John Simon so that he could speak in the House of Lords when he became Lord Chancellor.

Viscounts Simon (1940)

• John Allsebrook Simon, 1st Viscount Simon (1873-1954)
• John Gilbert Simon, 2nd Viscount Simon (1902-1993)
• Jan David Simon, 3rd Viscount Simon (b. 1940)