Samuel Whitbread

• Samuel Whitbread (1720–1796), English brewer and Member of Parliament
• Samuel Whitbread (1764–1815), his son, English politician
• Samuel Charles Whitbread, his son, British Member of Parliament for Middlesex, 1820–1830
• Samuel Whitbread (1830–1915), his son, British Member of Parliament for Bedford, 1852–1895
• Samuel Whitbread (Liberal politician), his son, British Member of Parliament for Luton, 1892–1895, and Huntingdon, 1906–1910
• Sir Samuel Whitbread (businessman, born 1937), his grandson, former chairman of Whitbread & Co. and Lord Lieutenant of Bedfordshire