Nick Steven Oliveri (born October 21, 1971) is an American musician from Palm Desert, California. He plays bass guitar, acoustic guitar, electric guitar, and is a vocalist. He is most widely known as a bassist with Kyuss, Queens of the Stone Age, and Dwarves, and has also performed with the reunited Kyuss under the names Kyuss Lives! and Vista Chino. As a bandleader, his main project is Mondo Generator, a punk/metal hybrid that he formed in 1997.