Nikolai may refer to:
- Nikolai Badanov - A playable character in Call of Duty: Finest Hour.
- Nikolai (Modern Warfare) - An informant and pilot in the Modern Warfare series.
- Nikolai Belinski - A playable character in Zombies.
- Nikolai (Ultranationalist) - A minor character in the level "The Sins of the Father" in Call of Duty 4: Modern Warfare.
- Nikolai (2019) - An FSB agent in the Modern Warfare reboot.
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