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

This disambiguation page lists articles associated with the title Senator Bayard.
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