Geoffrey Kelsall Peto (8 September 1878 – 8 January 1956) was a British Conservative Party politician and Member of Parliament (MP). In business, he became a director of the industrial firm Morgan Crucible Company. At the 1923 general election, he stood unsuccessfully in the Louth constituency in Lincolnshire. The following year, in the 1924 general election, he was elected Member of Parliament for Frome in Somerset, but lost the seat in the general election of 1929. In 1938, Peto served as a member of the Runciman Mission to Czechoslovakia.