Daniel Zialcita Romualdez (September 11, 1907 – March 22, 1965) was a Filipino politician who served as Speaker of the House of Representatives of the Philippines from 1957 to 1962.He was named after his paternal grandfather, Daniel Romualdez, of Pandacan, Manila and former owner of the Malacañang Gardens, the huge expanse of land dedicated to entertaining guests of the Philippine presidents.