# Yui (name)

Yui (ゆい, ユイ) is a feminine Japanese given name which can also be used as a surname.

## Written forms

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"

## People
### With the given name Yui

* Yui (singer) (born 1987), Japanese pop/rock artist
* Yui Aragaki (新垣 結衣, born 1988), Japanese singer, actress and voice actress
* Yui Asaka (浅香 唯, born 1969), Japanese singer and actress
* Yui Hasegawa (長谷川 唯, born 1997), Japanese women's footballer
* Yui Horie (堀江 由衣, born 1976), Japanese singer and voice actress
* Yui Ichikawa (市川 由衣, born 1986), Japanese actress and singer
* Yui Imaizumi (今泉 佑唯, born 1998), Japanese actress and model
* Yui Ishibashi (石橋 唯今, born 1996), Japanese field hockey player
* Yui Ishikawa (石川 由依, born 1989), Japanese voice actress
* Yui Itsuki (伊月 ゆい, born 1980), Japanese Heavy Metal singer and lyricist, leader of the band Yōsei Teikoku
* Yui Kamiji (上地 結衣, born 1994), Japanese wheelchair tennis player
* Yui Kobayashi (小林 由依, born 1999), Japanese singer and model
* Yui Koike (小池 唯, born 1991), Japanese gravure figure and actress
* Yui Makino (牧野由依, born 1986), Japanese voice actress
* Yui Mizuno (水野 由結, born 1999), also known as YUIMETAL, Japanese singer and model
* Yui Natsukawa (夏川 結衣, born 1968), Japanese actress
* Yui Nītsu (由衣), a member of the former duo J-pop band Rythem
* Yui Ohashi (大橋 悠依, born 1995), Japanese swimmer
* Yui Okada (岡田 唯, born 1987), member of the J-pop group v-u-den
* Yui Sunami (角南 唯, born 1991), Japanese handball player
* Yui Yabuta (藪田 裕衣, born 1996), Japanese long-distance runner
* Yui Yamane (山根 優衣, born 1994), Japanese swimmer
* Yui Yokoyama (横山 由依, born 1992), Japanese actress

### With the surname Yui

* Kimiya Yui (油井 亀美也, born 1970), Japanese astronaut
* Kiyoo Yui (油井 潔雄, born 1943), Japanese hurdler
* Noriko Yui, Japanese-Canadian professor of mathematics
* Yui Shōsetsu (由井 正雪, 1605–1651), Japanese military strategist
* Toshiki Yui (唯 登詩樹, born 1956), Japanese manga artist

## Fictional characters
### With the given name Yui

* Yui (ゆい), the protagonist in Indian Summer manga
* Yui (ユイ), a character in Angel Beats
* Yui, daughter of Kirito And Asuna in Sword Art Online
* Fai D. Flowright, also known as Yūi (ユゥイ), a character in Tsubasa: Reservoir Chronicle
* Yui Funami (船見 結衣), one of the main characters in an anime and manga series Yuru Yuri / Yuru Yuri ♪♪
* Yui Furukawa (古川 ゆい), a character in the anime and manga series Ushinawareta Mirai o Motomete
* Yui Hirasawa (平沢 唯), a character in the anime and manga series K-On!
* Yui Hongo (唯), a character in Fushigi Yûgi
* Ichii Yui (櫟井 唯), one of the main characters in the anime and manga Yuyushiki
* Yui Ikari (碇 ユイ), a character in Neon Genesis Evangelion
* Yui Inaba (結衣), a character in the visual novel Flyable Heart
* Yui Kanzaki (神崎 優衣), a character in Kamen Rider Ryuki
* Yui Kasuga (春日結), the main character in Corrector Yui
* Yui Kimura, a survivor in Dead by Daylight
* Yui Kiriyama (桐山 唯), one of the main characters in the novel, manga and anime series Kokoro Connect
* Yui Kodai, a character in My Hero Academia
* Yui Komori (ユイ), the main character in Diabolik Lovers
* Yui Kotegawa (唯), a character in To Love-Ru
* Yui Kusanagi (草薙　結衣) the lead character in Kamigami no Asobi
* Yui Mamiya, a minor character in Lost Judgment
* Yui-MHCP001, a character in the anime and manga series Sword Art Online
* Yui Michimiya, a character in Haikyu!!
* Yui Midorikawa (緑川 ゆい), a character in the anime series Smile PreCure! (known as Nina Swanson in English)
* Yui Minamito (南戸 唯), a character in Strawberry 100%
* Yui Nagomi (和実ゆい), one of the characters in Delicious Party Pretty Cure
* Yui Nanase (七瀬 ゆい), a supporting character in Go! Princess PreCure
* Yui Narumi (ゆい), a character in the Lucky Star series
* Yui Rio, a character in the video game Yandere Simulator
* Yui Samidare (五月雨 結), the main character in Danganronpa Kirigiri
* Yui Shishido, character in the Corpse Party series
* Yui Tabata (田端 ゆい), a character in H$_2$O: Footprints in the Sand
* Yui Takamura, a character in Muv-Luv Alternative: Total Eclipse
* Yui Toba (鳥羽 ゆい), a character in B-Fighter Kabuto
* Yui Yuigahama, a character in My Teen Romantic Comedy SNAFU
* Yui Yumekawa, a character in Idol Time PriPara
* Yui Uehara, a character in Detective Conan

### With the surname Yui

* Meroko Yui (めろこ・ユイ), a character in Full Moon o Sagashite
* Heero Yuy (ヒイロ・ユイ), the lead character in Mobile Suit Gundam Wing
* Yui Kodai a character in the Boku No Hero Academia and a student in class 1B.
* Tsuruno Yui (由比鶴乃), a main character in the Puella Magi Madoka Magica spinoff Magia Record