Emilio Antonio Palmero (June 13, 1895 – July 15, 1970) was a Cuban Major League Baseball pitcher. He played all or part of five seasons in the majors, spread out over a span of fourteen years from 1915 to 1928. He also pitched extensively in the minor leagues, winning 177 games over 17 minor league seasons between 1914 and 1931. Palmero spent just one full season in the majors, 1921 with the St. Louis Browns, during which he appeared in 24 games with a record of 4–7 and a 5.00 ERA.