Gamaleya may refer to:
People Boris Gamaleya (1930–2019), Réunion poet, literary critic, linguist, folklorist, and social activist Nikolay Gamaleya (1859–1949), Russian and Soviet microbiologist and vaccine researcher Platon Yakovlevich Gamaleya (1766–1817), Russian Empire naval officer and navigator
Places Gamaleya Rock, rock formation in Antarctica named after Platon Yakovlevich Gamaleya
Organisations Gamaleya Research Institute of Epidemiology and Microbiology, named after Nikolay Gamaleya