The 15th Seiyu Awards was held on March 6, 2021 at the JOQR Media Plus Hall in Minato, Tokyo. The winners of the Merit Awards, the Kei Tomiyama Award, the Kazue Takahashi Award, and the Synergy Award were announced on February 16, 2021. The rest of the winners were announced on the ceremony day.

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{{Seiyu Awards Seiyu Awards ceremonies Seiyu Seiyu March 2021 in Japan 2021 in Japanese cinema Seiyu 2021 in Tokyo Minato, Tokyo