Cecil B. Lyon

Cecil Burton Lyon (November 8, 1903 – April 6, 1993) was an American diplomat and career foreign service officer.

From 1956 to 1958, he served as United States Ambassador to Chile. He served as United States Ambassador to Sri Lanka (then Ceylon) from 1964 to 1967, during which time he concurrently served as United States Ambassador to the Maldives from 1965 to 1967. Lyon was a native of Staten Island, New York, and graduated from Harvard University in 1927. He worked as an investment banker prior to entering the Foreign Service in 1931. He died in his home in Hancock, New Hampshire, on April 6, 1993, aged 89, due to pneumonia.