Charles Cadogan may refer to:
- Charles Cadogan, 2nd Baron Cadogan (1685âÂÂ1776), British peer and Member of Parliament for Reading
- Charles Cadogan, 1st Earl Cadogan (1728âÂÂ1807), British peer and Whig politician
- Charles Cadogan, 2nd Earl Cadogan (1749âÂÂ1832), British nobleman, styled Viscount Chelsea from 1800 to 1807
- Charles Cadogan, 8th Earl Cadogan (born 1937), British peer, landowner and philanthropist