Girls und Panzer: This Is the Real Anzio Battle! (Japanese: ガールズ&パンツァー これが本当のアンツィオ戦です！, Hepburn: Gāruzu ando Pantsā: Kore ga Hontō no Antsio-sen desu!) is a 2014 Japanese original video animation (OVA) directed by Tsutomu Mizushima from a script written by Takaaki Suzuki. Produced by Actas and distributed theatrically by Showgate, the OVA stars Mai Fuchigami, Ai Kayano, Mami Ozaki, Ikumi Nakagami, Yuka Iguchi, Maya Yoshioka, Misato Fukuen, Mikako Takahashi, and Kana Ueda. Set during the seventh episode of Girls und Panzer (2012), the OVA follows the full tank match between Ōarai Girls' Academy and Anzio High School led by Anchovy (Yoshioka).

The production of the OVA was announced in April 2013. The OVA's full title was revealed in November 2013 and was set to be released in theaters aside from its home media release. Misuzhima and Suzuki were revealed as the director and scriptwriter of the OVA in February 2014, respectively.

Girls und Panzer: This Is the Real Anzio Battle was released in Japan on July 5, 2014, simultaneously in theaters and several paid online distribution services. The OVA grossed over $300,000 at the Japanese box office and was nominated for an award at Newtype Anime Awards.