Bonham Carter is an English family name. Notable Bonham Carters are:
John Bonham-Carter (1788–1838), MP
John Bonham-Carter (1817–1884), MP
Lothian Bonham-Carter (1858–1927)
Sir Edgar Bonham-Carter (1870–1956)
General Sir Charles Bonham-Carter (1876–1955)
Sir Maurice Bonham Carter (1880–1960)
Air Commodore Ian Bonham-Carter (1882–1953)
Violet Bonham Carter, Baroness Asquith of Yarnbury (1887–1969)
Admiral Stuart Bonham Carter (1889–1972)
Rear Admiral Sir Christopher Douglas Bonham-Carter (1907–1975)
Mark Bonham Carter, Baron Bonham-Carter (1922–1994)
Raymond Bonham Carter (1929–2004)
Jane Bonham Carter, Baroness Bonham-Carter of Yarnbury (born 1957)
Edward Bonham Carter (born 1960)
Helena Bonham Carter (born 1966), British actress
Crispin Bonham-Carter (born 1969)
These are all members of the Bonham Carter family.