Vernon-Harcourt is a surname:
Augustus George Vernon Harcourt (1834–1919), English chemist
Edward Vernon Harcourt (1825–1891), English politician and naturalist
George Vernon Harcourt (1874–1934), Ontario politician
Leveson Francis Vernon-Harcourt (1839–1907), British civil engineer
Lewis Vernon Harcourt, 1st Viscount Harcourt (1863–1922), British politician
Octavius Vernon Harcourt (1793–1863), British naval officer
William Vernon Harcourt (scientist) (1789–1871), father of the politician, and founder of the British Association for the Advancement of Science
William Vernon Harcourt (politician) (1827–1904), son of the scientist, and Chancellor of the Exchequer
Harcourt-Vernon
Granville Harcourt-Vernon (1792–1879), British politician
Granville Harcourt-Vernon (1816–1861), British politician
Venables-Vernon-Harcourt
Edward Venables-Vernon-Harcourt (1757–1847), English clergyman
Francis Venables-Vernon-Harcourt (1801–1880), British politician
Robert Venables Vernon Harcourt (1878–1962), British diplomat, playwright
Other
Mount Vernon Harcourt, Antarctic mountain