Mortimer Lamazon (22 July 1906 - fl. 5 August 2013) was Guyanese centenarian and Guyana's oldest known living man. He was born in Queenstown, Essequibo on 22 July 1906. He was last confirmed alive in 5 August 2013 at the age of 107 years and 14+ days. He is second oldest known man ever from Guyana after Sonny Hendricks.