Louis Alfred "Pinky" Clarke (November 23, 1901 – February 24, 1977) was an American chemist and former sprinter and track and field athlete, who won a gold medal in the world record time of 41.0 seconds in the 4 × 100 meter relay race at the 1924 Summer Olympics in Paris.

The British team finished a close second at 41.2 and included the Jewish sprinter and 100-meter champion Harold Abrahams.

[7] In April 1946, he notified the Greenwich Draft Board of his inactive status, having served as an Officer in the armed services with a commission.

[12] In late 1963, Clarke was named Supervisor for Suggestion Activities, while serving as Senior Representative at the Texaco Research Center in Glenham, New York, a mile and a half Southeast of Fishkill.

[11] He was buried at Fishkill Rural Cemetery, and was survived by his widow Olive, a son, David who was a 1964 graduate of Dartmouth College, and two grandchildren.