| Nikolai Ostroumov | |
| Native Name: | Николай Остроумов |
| Birth Date: | 15 November 1846 |
| Birth Place: | Sasovo, Yelatma Uyezd, Tambov Governorate, Russian Empire |
| Death Place: | Tashkent, Uzbek SSR, Soviet Union |
Nikolai Petrovich Ostroumov (ru|Николай Петрович Остроумов; 1846–1930) was an imperial Russian orientalist, ethnographer and educationalist in Turkestan.
He studied under Nikolai Il'minskii at the Kazan Theological Seminary, where he studied Arabic and Turkic languages as well as Islam.[1]
He was editor of Turkistan Wilayatining Gazeti from 1883 to 1917.[1]