| Official Name: | Nikola Kozlevo |
| Native Name: | Никола Козлево |
| Subdivision Type: | Country |
| Subdivision Type1: | Provinces (Oblast) |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
| Pushpin Map: | Bulgaria |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location of Nikola Kozlevo |
| Leader Title: | Mayor |
| Postal Code Type: | Postal Code |
| Subdivision Name1: | Shumen |
| Population Total: | 785 |
| Population Footnotes: | https://www.citypopulation.de/php/bulgaria-sumen.php?adm2id=2706t |
| Population As Of: | 2017 |
| Elevation M: | 285 |
| Postal Code: | 9955 |
| Area Code: | 05328 |
| Coordinates: | 43.5667°N 41°W |
| Leader Name: | Ismail Ibryam |
Nikola Kozlevo (Bulgarian: Никола Козлево, in Bulgarian pronounced as /niˈkɔɫɐ ˈkɔzɫɛvo/) is a village in northeastern Bulgaria, part of Shumen Province. It is the administrative centre of Nikola Kozlevo Municipality, which lies in the northeastern part of Shumen Province, in the geographic region of Ludogorie. The village was named after the Bulgarian National Revival revolutionary and writer Nikola Kozlev (1824–1902).
According to the 2011 census, the village of Nikola Kozlevo has 802 inhabitants. The village has a mixed population. With 61% of its population, Bulgarians constitute the largest ethnic group. Romani people constitute 17% of the population, while ethnic Turks constitute 11%. Main religions are Orthodox Christianity and to a lesser extent Islam.