This is a listing of outfits worn by Niko Niko in Hetalia: Axis Powers. Changes made in other adaptations, such as the anime, are noted where applicable.
Niko Niko has been shown wearing a black uniform with a golden collar and roundel on its left side. He has also been drawn wearing a green, white and blue tricolor sash.
In the Halloween 2013 event, Niko Niko appears as a regular Japanese citizen wearing a sweatshirt with a tag on a lanyard around his neck and the words "Dake Hot Springs" on the jacket front.
These are all the outfits Niko Niko has worn. Please note that this list is imcomplete. Please click for larger viewing.