There are multiple artists that perform under the name Niko.

1)Niko is an American artist from Seattle/New York who in 2004 released an album on Grand Central Records, entitled «Life On Earth». She is the front woman for Aim (Live!). She has also made appearances on albums such as, Gripper «A Life of Consummate Ease» (ATIC Records out Feb 2009), Aim «Flight 602» (ATIC Records 2006), Mr. Scruff «Trouser Jazz» (Ninja Tune 2002), Only Child «Solitaire» (Grand Central Records 2003), ANDY «Clear Visions» (Wave Records 2001). In 2005 she co‑founded ATIC Records in the UK. Check out Niko on myspace Maurizio Di Jorio.

3)NIKO is an artist from the United States. He is the artist behind many bands(?), for example «The Sun The Moon The Stars». Check out Spencer The Rover