There are six artists using this name
1. A German jazz/funk-percussion group active in the early 70's
2. A French duo active from the early 80's until the early 90's
3. A Ukrainian group
4. A Spanish hard rock band
5. The lead singer for defunct 70's experimental band Destroy All Monsters
6. An Italian progressive rock band (1.) The German jazz/funk-percussion group, Niagara, existing between 1971-1973.

Read more about Niagara on Last.fm.