Charles Brett (disambiguation)
Sir Charles Brett (1928–2005) was a Northern Irish solicitor and first chairman of the Ulster Architectural Heritage Society. Charles Brett may also refer to:
 Charles Brett (politician) (c. 1715–1799), British Member of Parliament
 Charles Brett (police officer) (1815–1867), Manchester police sergeant murdered by the Manchester Martyrs
 Charles Brett (countertenor) (born 1941), English countertenor