黄伊汶（英语：Emme Wong，1981年1月3日－），原名黄海慈，又名黄恺慈，英文名原为Dior，于香港出生，香港女艺人，已故父亲是绰号“尖东之虎”的黑道中人黄俊。她于2001年签约成为环球唱片旗下歌手。现时是钟表品牌的发展总监。

Emme Wong Yee-Man is a Cantopop singer based in Hong Kong.

Wong originally debuted under the name "Dior Wong" in late 2001, as one of Universal Records's promising new pop starlets. As Dior Wong, she sported a clean and youthful image, and released her first EP Pure Impression in November. She followed with her first full-length album Scents in July 2002.

After a brief hiatus, she changed her name to Emme and returned with her second album (self-titled) in 2003, marked by a new, more mature playgirl image, and uptempo dance tunes which she has been noted for ever since. The subsequent EP Good Show released in 2004 continues in the same vein. She returned in May 2008 with the new dance/electronic single Aspire, and the album The Groove In Me in August.

Wong has, over the years, recorded many Cantonese covers of songs originally sung in English, including "What Took You So Long" by Emma Bunton, "Round Round" by The Sugababes, "Show Me Love" by t.A.T.u., and most recently a remixed version of "He Doesn't Love You" by Sarah McLeod.

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