The Female Vocalist List , O , 9 vocalists

Name , Country , Type　　(Sorry,link pages are in Japanese only)

ODDRUN EIKLI , Norway , Contemporary OLGA MITROSHINA , France , Contemporary,Vo&P OLIVIA FOSCHI , USA , Standards OLIVIA MAISEL , France , Standards OLIVIA TRUMMER , Germany , Contemporary,Vo&P ONDINE DARCYL , USA , Bossa~Latin OPIE BELLAS USA , Standards~Popular ORLA MURPHY , UK , Standards ORNA USA