Miyū is a feminine Japanese given name.

Miyū can be written using different kanji characters and can mean:

• 美夕, "beauty, evening"
• 美遊, "beauty, play"
• 美優, "beauty, tenderness"
• 美憂, "beauty, worry"
• 実優, "fruit, tenderness"; "truth, tenderness"
• 心優, "heart, tenderness"
• 心結, "heart, bind"
• 海優, "sea, tenderness"
• 未優, "sheep, tenderness"
• 未遊, "sheep, play"

The name can also be written in hiragana (みゆう) or katakana (ミユウ).

• Miyuu Ariiso (有磯 実結; born 1996), Japanese former idol of the idol group E-girls
• Miyuu Kihara (木原 美悠; born 2004), Japanese table tennis player
• Miyuu Masuhara (増原 海夕; born 2001), Japanese ice hockey goaltender
• Miyū Mizushima (水島 美結; born 2003), Japanese idol of the idol group AKB48
• Miyū Ōishi (大石 美優; born 1997), Japanese former idol of the idol group E-girls
• Miyuu Sawai (沢井 美優; born 1987), Japanese actress, model, and gravure idol
• Miyuu Sugawara (菅原 美優; born 1999), Japanese kickboxer
• Miyū Tsuzurahara (黒葛原 未有; born 1994), Japanese actress
• Miyuu Yamamoto (山本 美憂; born 1974), Japanese former female freestyle wrestler and mixed martial artist
• Miyū Yamashita (山下 美夢有; born 2001), Japanese professional golfer

• Miyū Shirakawa (美夕), a character in the manga series First Love Sisters
• Miyu Makimura (未有), a character in the manga series Mint na Bokura

• Miyu