Lawrin (1935-1955) was an American thoroughbred racehorse owned by Herbert M. Woolf who won the Kentucky Derby in 1938. He was the son of Insco. Lawrin also won the Flamingo Stakes and American Invitational. He is the only Kansas-bred winner of the Kentucky Derby and the first Kentucky Derby winner ridden by the great jockey Eddie Arcaro. Lawrin died in 1955 and was buried next to his sire, Insco, on Woolford Farm in what would become Prairie Village, Kansas.