Otoha (おとは, オトハ) is a feminine Japanese given name.

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

• 乙羽, "maiden, feathers"
• 乙葉, "maiden, leaf"
• 音羽, "sound, feathers"
• 音葉, "sound, leaf"

The name can also be written in hiragana or katakana.

• Otoha (actress) (乙葉, born 1981), a Japanese tarento and gravure idol

• Otoha (乙羽), the protagonist of in Karas anime
• Otoha (音翅), a character in the Genesis of Aquarion (OVA)
• Otoha Sakurano (音羽), a main character in the Sky Girls anime
• Otoha Shinjo (音羽), a character in the light novel and manga series Marriage Royale
• Otoha Takanashi, a character in the Pretty Rhythm: Rainbow Live
• Otoha (音羽), a character in H2O: Footprints in the Sand series