Rayna is a Bulgarian feminine given name with two possible origins. It can be considered a Bulgarian form of Regina, which derives from Latin regina meaning "queen." Alternatively, Rayna may be a feminine form of the Bulgarian name Rayno, itself a derivative of Rado (meaning "happy, willing") or a short form of names beginning with Rad-, such as Radko or Radomir. Etymology The name's etymology is twofold. As a Bulgarian variant of Regina, Rayna connects to the Latin word for "queen" and has Christian associations through Saint Regina (2nd century) and the Virgin Mary, who is often called "Queen of Heaven." In medieval England, Regina was used in honor of Mary, and it was revived in the 19th century. Alternatively, if derived from Rayno, the name shares a root with Slavic elements like