Lord Simon may refer to multiple peerages in the United Kingdom:
Hereditary peers
edit- Holders of the peerage Viscount Simon
- John Simon, 1st Viscount Simon (1873–1954)
- John Gilbert Simon, 2nd Viscount Simon (1902–1993)
- Jan David Simon, 3rd Viscount Simon (1940–2021)
- Holders of the peerage Baron Simon of Wythenshawe
- Ernest Simon, 1st Baron Simon of Wythenshawe (1879–1960)
- Roger Simon, 2nd Baron Simon of Wythenshawe (1913–2002)
- Matilda Simon, 3rd Baroness Simon of Wythenshawe (born 1955)
Life peers
edit- David Simon, Baron Simon of Highbury (born 1939)
- Jack Simon, Baron Simon of Glaisdale (1911–2006)