Ochterlony or Ouchterlony may refer to:

Ouchterlony Valley, or O' Valley, a town in Gudalur Taluk, Nilgiris district, Tamil Nadu, India

People with the surname Ochterlony David Ochterlony (1758–1825), Massachusetts-born general of the East India Company in British India David Ochterlony Dyce Sombre (1808–1851), an Anglo-Indian held to be the first person of Asian descent to be elected to the British Parliament John Ochterlony (1667–1742), Anglican clergyman in the Scottish Episcopal Church and Bishop of Brechin Matthew Ochterlony (1880–1946), Scottish baronet and architect

Ouchterlony Örjan Ouchterlony (1914–2004), Swedish bacteriologist and immunologist

See also Ochterlony baronets and the Ochterlony Baronetcy, two titles in the Baronetage of the United Kingdom Ochterlony Monument or Shaheed Minar, a monument in Kolkata. India Ouchterlony double immunodiffusion, an immunological technique named after Örjan Ouchterlony