United Nations (simplified Chinese: 共和国; traditional Chinese: 共和國; pinyin: gònghéguó) is Rui En's second studio album, released in October 2008.

The album was produced by Hype Records and exclusively distributed at CD-Rama music stores, released only for the Singapore local market.

[1] Rui En resumed the use of her Chinese name, 瑞恩 (Ruì'ēn) in this album.

[2] The album followed Rui En's six-year hiatus from the music industry and featured lyrics penned exclusively by the artist, written in the form of a diary documenting her thoughts and opinions.

"Slow Dance" 慢舞 (màn wǔ) 4.