Boris may refer to: People. Boris (given name), a male given name. See: List of people with given name Boris. Boris (surname) Boris I of Bulgaria (died 907), the first Christian ruler of the First Bulgarian Empire, canonized after his death. Boris II of Bulgaria (c. 931–977), ruler of the First Bulgarian Empire. Boris III of Bulgaria (1894–1943), ruler of the Kingdom of Bulgaria in the first half of the 20th century. Boris, Prince of Tarnovo (born 1997), Spanish-born Bulgarian royal. Boris and Gleb (died 1015), the first saints canonized in Kievan Rus.
https://en.wikipedia.org/wiki/Boris