Niko Bellic, character in video game "Grand Theft Auto IV"
Niko, reindeer in the movie "The Flight Before Christmas"
Niko, character in 1994 film "The Mask"
Niklaren "Niko" Goldeye, character in TamoraPierce's The Circle Opens series
Niko, character on animated television series The Adventures of the Galaxy Rangers
Niko, a pirate in the The Legend of Zelda video games
Niko, a character in the 1988 film "Above the Law"