Peter Nelson Lapan (June 25, 1891 – January 5, 1953) was an American professional baseball player. He was a catcher over parts of two seasons (1922–23) with the Washington Senators. For his career, he compiled a .306 batting average and one home run in 40 at-bats, with six runs batted in.
He was born in Easthampton, Massachusetts and died in Norwalk, California at the age of 61.