| Born | 15 September 1857 Évreux, Normandy, France |
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| Died | 9 December 1940 (aged 83) Paris, France |
| Occupation | librarian, philologist, historian |
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Henri Auguste Omont (French pronunciation: [ɑ̃ʁi oɡyst ɔmɔ̃]; 15 September 1857 – 9 December 1940) was a French librarian, philologist, and historian.