Her debut single, "Hoshizora Destination" (星空☆ディスティネーション), was released on April 25, 2012, under the Aniplex/Sony Music Entertainment Japan label.

[11] She was voted in 2010 as "Best Female Voice Actress" by listeners of the radio program Nonko and Nobita's Anime Scramble (ノン子とのび太のアニメスクランブル).

[20] She released an album title Blue Avenue in April 2015, and went on a concert tour starting at the Nippon Budokan on May 3.

[21][22] The Blu-ray release of the show, Live Avenue Kana Hanazawa in Budokan, ranked number six in sales.

[25] Hanazawa starred in her first live-action feature film Kimi ga Inakucha Dame Nanda (君がいなくちゃだめなんだ, It's Definitely No Good You're Not Here).

In February 2017, during a live stream promoting the release of Opportunity, Hanazawa confirmed she and Kensho Ono were dating, after Shūkan Bunshun published allegations about their relationship.