Lupin the 3rd: Prison of the Past (ルパン三世 プリズン・オブ・ザ・パスト, Rupan Sansei Prizun obu za Pasuto) is a 2019 Japanese anime television special directed by Hatsuki Tsuji from a screenplay by Shatona Nishida serving as the 29th television special in the Lupin the 3rd series, itself based on the manga series of the same name by Monkey Punch. Produced by TMS Entertainment, the special debuted on Nippon Television on November 29, 2019 as part of the channel's Kinyo Roadshow.

This was the first Lupin the 3rd anime adaptation to be released during the Reiwa period and was also the first to be released after original creator Monkey Punch's death in April of that year.