| Sir Charles Harris | |
| Office: | Joint Secretary to the War Office |
| Term Start: | 1920 |
| Term End: | 1924 |
| Office2: | Assistant Financial Secretary to the War Office |
| Term Start2: | 1908 |
| Term End2: | 1924 |
| Birth Date: | 2 March 1864 |
| Birth Place: | Ivybridge, Devon, England |
Sir Charles Harris (2 March 1864 - 10 June 1943) was a senior civil servant in the British War Office.
Harris was born in Ivybridge, Devon, and was educated at Bradford Grammar School and Balliol College, Oxford. He joined the War Office in 1887, being promoted to Principal Clerk in 1900 and Assistant Financial Secretary, in charge of the Finance Department, in 1908. He held the latter position until his retirement in 1924, also being Joint Secretary to the War Office from 1920.
Harris was appointed Companion of the Order of the Bath (CB) in the 1911 Coronation Honours, Knight Commander of the Order of the Bath (KCB) in 1913, and Knight Grand Cross of the Order of the British Empire (GBE) in the 1920 civilian war honours.