Halca (Japanese: ハルカ Hepburn: Haruka, born July 7) is a Japanese musician affiliated with Music Ray'n and signed to Sacra Music. She was the opening act for the Chico with HoneyWorks 2017 tour. In 2018 she released her first single "Kimi no Tonari", the title track of which was used as the closing theme for the anime series Wotakoi: Love is Hard for Otaku. Her music has been featured in Ace Attorney and Kaguya-sama: Love Is War.

In 2023, the song "Renai millimeter film" was used as the opening of the third season of the anime serie: Rent-a-Girlfriend. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.