Anohana: The Flower We Saw That Day (Japanese: あの日見た花の名前を僕達はまだ知らない。, Hepburn: Ano Hi Mita Hana no Namae o Bokutachi wa Mada Shiranai, "We Still Don't Know the Name of the Flower We Saw That Day") is a Japanese anime television series created by Super Peace Busters (超平和バスターズ, Chō Heiwa Basutāzu), an artist collective consisting of director Tatsuyuki Nagai, screenwriter Mari Okada, and character designer Masayoshi Tanaka. The anime was produced by A-1 Pictures and aired in Fuji TV's Noitamina block between April and June 2011. It has been licensed in North America by Aniplex of America.

A novelization by Okada was serialized in Media Factory's Da Vinci magazine from March to July 2011. A manga adaptation illustrated by Mitsu Izumi was serialized in Shueisha's Jump Square magazine from April 2012 to April 2013. A visual novel adaptation for the PlayStation Portable was released by 5pb. in August 2012. An anime film sequel that takes place one year after the series was released in Japanese theaters in August 2013. A live action television film adaptation premiered in September 2015 on Fuji TV. A stage reading that takes place ten years after the main story, written by Okada, was performed by the original cast for the series' tenth anniversary in Chichibu, Saitama on August 28, 2021; it was also released on CD, included in the "10 Years After" Blu-ray box set, on December 29 of that same year.