Samuel Whitbread may refer to:
Samuel Whitbread (1720–1796), English brewer and Member of Parliament Samuel Whitbread (1764–1815), his son, English politician Samuel Charles Whitbread (1796–1879), his son, British Member of Parliament for Middlesex, 1820–1830 Samuel Whitbread (1830–1915) (1858–1944), his son, British Member of Parliament for Bedford, 1852–1895 Samuel Whitbread (Liberal politician) (1858 – 1944), his son, British Member of Parliament for Luton, 1892–1895, and Huntingdon, 1906–1910 Sir Samuel Whitbread (businessman, born 1937) (1937–2023), his grandson, former chairman of Whitbread & Co. and Lord Lieutenant of Bedfordshire
See also Samuel Whitbread Academy, a secondary school in Shefford, Bedfordshire