Lawrence N. "Larry" Seilhamer Rodríguez (born December 13, 1954) is a Puerto Rican politician who was the Secretary of State of Puerto Rico. He is affiliated with the pro-statehood New Progressive Party (PNP), and was a member of the Senate of Puerto Rico from January 7, 2009 until January 15, 2020. Seilhamer is also a former basketball player for the Baloncesto Superior Nacional from 1972 to 1984. On December 2, 2020, he was nominated as Puerto Rico Secretary of State by Governor-elect Pedro R. Pierluisi.