Anniversary 2021 (Disambiguation)

Anniversary 2021 (記念日2021, Kinenbi 2021) may refer to:
 * Anniversary 2021, the card series
 * IDOLiSH7 Anniversary 2021, the Puchinana series
 * TRIGGER Anniversary 2021, the Puchinana series
 * Re:vale Anniversary 2021, the Puchinana series
 * ŹOOĻ Anniversary 2021, the Puchinana series
 * Anniversary 2021, the brooch series