>
Family name Loy (Loy , 洛伊 , ロイ ) , worldwide, is a common surname. The surname Loy is characteristic of British Virgin Islands, where it is quite a common surname, Malaysia, and Singapore (explore the name in all countries). In absolute terms, the name is most common in Malaysia, the United States, and Germany. Much less frequently, Loy is the forename as well as the last name.