Diminutive of Birgitta and its various forms. It can also be used as a diminutive of other names beginning with or containing B, such as Bibiana and Beata. A known bearer was Swedish actress Berit Elisabet "Bibi" Andersson (1935-2019).
From Japanese 日 (bi) meaning "day, sun, Japan", 妃 (bi) meaning "a ruler's wife; queen; empress" or 美 (bi) meaning "beautiful" and duplicated using 々. Other kanji with the same pronunciations can also be used to form this name.Usage of this name is, most likely, influenced by the name Vivi.