Lebrun Samuel Constantine (25 May 1874 in Maraval, Trinidad – 5 January 1942 at Tunapuna, Trinidad) was a West Indian cricketer who toured England in 1900 and 1906 and was a regular member of the Trinidad team from 1893-94 to 1922-23. He was primarily a batsman. He often kept wicket but was also a useful occasional bowler. He was an overseer on a cocoa estate in Diego Martin.