| Honorific-Prefix: | The Reverend and Right Honourable |
| The Lord Byron | |
| Office14: | Member of the House of Lords Lord Temporal |
| Term Start14: | 30 March 1917 |
| Term End14: | 6 June 1949 Hereditary peerage |
| Predecessor14: | The 9th Baron Byron |
| Successor14: | The 11th Baron Byron |
| Birth Date: | 26 March 1861 |
| Death Date: | 6 June 1949 (age 88) |
| Spouse: | Anna Ismay Ethel FitzRoy |
| Parents: | Hon. Frederick Byron Mary Jane Wescomb |
Reverend Frederick Ernest Charles Byron, 10th Baron Byron (26 March 1861 – 6 June 1949) was an Anglican clergyman, nobleman, peer, politician, and the tenth Baron Byron, as a grandson of Admiral George Anson Byron, 7th Baron Byron, who was the cousin of Romantic poet and writer George Gordon Byron, 6th Baron Byron.
Byron was the son of the Hon. Frederick Byron and Mary Jane Wescomb. He graduated from Exeter College, Oxford, with the degree of Master of Arts (MA).
He was the Curate between 1888 and 1890 at Royston, Hertfordshire. He was the Rector between 1891 and 1914 at Langford, Essex, UK. He was the Vicar between 1914 and 1942 at Thrumpton, Nottinghamshire. He succeeded to the title of 10th Baron Byron in 1917 upon the death of his older brother Lt. George Frederick William Byron, 9th Baron Byron. He was the Rector between 1941 and 1942 at St. George's Church, Barton in Fabis.
Lord Byron died on 6 June 1949, and was succeeded by his first cousin once removed, Rupert Frederick George Byron, 11th Baron Byron (born 1903).
Lord Byron married Anna Ismay Ethel FitzRoy, daughter of Reverend Lord Charles Edward FitzRoy and the Hon. Ismay Mary Helen Augusta FitzRoy, in 1921. They had no children.
| Crest: | A Mermaid proper |
| Coronet: | A Coronet of a Baron |
| Escutcheon: | Argent three Bendlets enhanced Gules |
| Supporters: | On either side a Horse of a brown bay colour unguled Or |
| Motto: | Crede Byron (Trust Byron) |