Larkin Irvin Smith (June 26, 1944 – August 13, 1989) was an American Congressman from Mississippi serving for seven months until he was killed in a plane crash in Perry County, Mississippi in 1989. Smith was born in Poplarville, Mississippi to Nona Orene Bounds and her husband Hezekiah K. Smith, Sr. Smith was named after his maternal grandfather Larkin Bounds and his maternal uncle Irvin E. Bounds. He received his bachelor's degree from William Carey University and then served at various positions in the police forces in both Pearl River and then Harrison counties. He became the police chief in Gulfport and thereafter the Harrison County sheriff.