Senator Bayard may refer to:
James A. Bayard (politician, born 1767) (1767–1815), U.S. Senator from Delaware James A. Bayard Jr. (1799–1880), U.S. Senator from Delaware Richard H. Bayard (1796–1868), U.S. Senator from Delaware Thomas F. Bayard (1828–1898), U.S. Senator from Delaware Thomas F. Bayard Jr. (1868–1942), U.S. Senator from Delaware in the 1920s