Yui (ゆい, ユイ) is a feminine Japanese given name which can also be used as a surname.
Yui can be written using different kanji characters and can mean:
唯, "only, alone, sole"由, "reason"維, "supportive"惟, "think, consider, reflect"結, "tie/link"唯衣, "only, robe/clothing"由衣, "reason, robe/clothing"結衣, "tie/link, robe/clothing"The given name can also be written in hiragana or katakana.
As a surname由井, "reason, well"油井, "oil well"由比, "reason, compare"With the given name YuiYui (singer) (born 1987), Japanese pop/rock artistYui Aragaki (新垣 結衣, born 1988), Japanese singer, actress and voice actressYui Kanno (結以, born 1987), Japanese modelYui Asaka (浅香 唯, born 1969), Japanese singer and actressYui Horie (堀江 由衣, born 1976), Japanese singer and voice actressYui Ichikawa (市川 由衣, born 1986), Japanese actress and singerYui Ishikawa (石川 由依, born 1989), Japanese voice actressYui Koike (小池 唯, born 1991), Japanese gravure idol and actressYui Makino (牧野由依, born 1986), Japanese voice actressYui Mizuno (水野 由結, born 1999), also known as YUIMETAL, Japanese idol, singer and modelYui Natsukawa (夏川 結衣, born 1968), Japanese actressYui Nītsu (由衣), a member of the former duo J-pop band RythemYui Okada (岡田 唯, born 1987), member of the J-pop idol group v-u-denYui Satonaka (唯) a Japanese gravure idol and actressYui Misaki (美咲結衣, born 1983), a Japanese AV actresswith the surname YuiNoriko Yui, Japanese-Canadian professor of mathematicsToshiki Yui (唯 登詩樹, born 1956), Japanese manga artistYui Shōsetsu (由井正雪, 1605–1651), Japanese military strategistKimiya Yui(油井 亀美也, born 1970), Japanese astronautWith the given name YuiYui Furukawa (古川 ゆい), a character in the anime and manga series Ushinawareta Mirai o MotometeYui-MHCP001, a character in the anime and manga series Sword Art OnlineYui Ikari (碇 ユイ), a character in Neon Genesis EvangelionYui Hirasawa (唯), a character in the anime and manga series K-On!Yui Kiriyama (桐山 唯), one of the main characters in the novel, manga and anime series Kokoro ConnectYui Funami (船見 結衣),one of the main characters in an anime and manga series Yuru Yuri / Yuru Yuri ♪♪Yui Inaba (結衣), a character in the visual novel Flyable HeartYui Hongo (唯), a character in Fushigi YûgiYui Narumi (ゆい), a character in the Lucky Star seriesYui Kasuga (春日結), the main character in Corrector YuiYui Komori (ユイ), the main character in Diabolik LoversYui Kotegawa (唯), a character in To Love-RuYui (ゆい), the protagonist in Indian Summer mangaYui Minamito (南戸 唯), a character in Strawberry 100%Yui Tabata (田端 ゆい), a character in H2O: Footprints in the SandYui Takamura, a character in Muv-Luv: Total EclipseYui (ユイ),a character in Angel BeatsIchii Yui (櫟井 唯), one of the main characters in the anime and manga YuyushikiYui Samidare (五月雨 結), a character in Dangan Ronpa KirigiriYui Kusanagi (草薙 結衣) the lead character in " (( Kamigami no Asobi))"Yui Yuigahama, a character in My Teen Romantic Comedy SNAFUWith the surname YuiMeroko Yui (めろこ・ユイ), a character in Full Moon o SagashiteHeero Yui (ヒイロ・ユイ), the lead character in Mobile Suit Gundam WingYui Rio, an evil minor character in Yandere SimulatorYui Komori, main protagonist in Diabolik Lovers