Armand Sabatier (UK: /səˈbætieɪ/, US: /ˌsɑːbɑːˈtjeɪ/, French: [aʁmɑ̃ sabatje]; 13 January 1834 – 22 December 1910) was a French zoologist known for his studies of comparative anatomy of animals, and for his work in photography, discovering and publishing in 1860 the Sabattier effect, also known as pseudo-solarisation. He was the founder of the independent Reformed Church of Montpellier. Sabatier supported the theory of evolutisme and gave a series of courses to the Protestant theology faculty of Montauban in 1884–1885.