Rui or RUI may refer to:

Names

• Rui (surname) (芮), a Chinese surname
• Rui (given name), a given name

Places

• Rui (state) (芮), a Chinese state during the Zhou Dynasty
• Rui (village), a census town in Kolhapur district, Maharashtra, India.
• Royal University of Ireland

In fiction

• Rui, a character played by actor Luiz Fernando Guimarães in the popular Brazilian sitcom Os Normais and its spin-off films
• Rui (累), a character in the Japanese anime/manga series Demon Slayer: Kimetsu no Yaiba
• Ruy Blas, a tragic drama by Victor Hugo
• Rui Kamishiro, a character in the Japanese video game series Project Sekai
• Rui Yoshii (吉井るい), a minor character in the Japanese anime series Soaring Sky! Pretty Cure
• Hanazawa Rui, a character in the Japanese manga series Boys Over Flowers
• Ninomiya Rui, a character in the Japanese anime Gatchaman Crowds
• Yashio Rui, a character in the Japanese multimedia project BanG Dream!

Species

• Rui fish, a common name for Labeo rohita
• Rui tree, a common name for Calotropis gigantea

Other

• Radio Ukraine International, is a Ukrainian national worldwide radio broadcasting service
• Russell 1000 Index, stock market index with trading symbol ^RUI

See also

• Ruy (disambiguation)

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