There are at least seven artists with this name, the most important being William Oliver Swofford, who rose to fame as "Oliver" singing "Good Mornin' Starshine" in the late 1960's. 1) Belgian Rock / Pop singer (Junior Eurovision)
2) Romanian rock band
3) William Oliver Swofford
4) Oliver Ching from Hong Kong
5) American band from the West Coast of the USA
6) Finnish rock band
7) Sydney, Australia rock band
8) Oliver (Vocaloid)
9) Oliver Dragojević, Croatian legend
10) An alternative teenager from Arizona
Read more about Oliver on Last.fm.