Senator Platt may refer to:
Members of the United States Senate Orville H. Platt (1827–1905), U.S. Senator from Connecticut from 1879 to 1905 Thomas C. Platt (1833–1910), U.S. Senator from New York in 1881 and from 1897 to 1909
United States state senate members Frank C. Platt (1866–1952), New York State Senate Jonas Platt (1769–1834), New York State Senate Moss K. Platt (1809–1876), New York State Senate Nehemiah Platt (1797–1851), New York State Senate Zephaniah Platt (1735–1807), New York State Senate