Yui或YUI可以指：

• YUI，日本歌手。
• YUI (女演员)，品田ゆい。
• YUI (漫画家)，日本男性漫画家，是RAN的双胞胎弟弟。
• 由比町（Yui-chō）
• Yahoo! UI Library
• 日本人名（唯、由、唯、维、惟、结、唯衣、由衣、结衣），en:Yui_(name)

Yui may refer to:

• Yui (name), a Japanese name
• Yui (singer) (born 1987), Japanese singer-songwriter, multi-instrumentalist, and actress
• Yui people or Ibi, a Timucuan-speaking people in what now is Georgia, United States