Moomin is a Dutch-Japanese anime television series produced by Telecable Benelux B.V. and animated by Telescreen Japan. Based on the Moomin novels and comic strips by the Finnish illustrator and author Tove Jansson and her brother Lars Jansson, it was the third anime adaptation of the property and the first to receive distribution in different countries worldwide. Moomin first aired on TV Tokyo from April 12, 1990, to October 3, 1991. The series had also been dubbed into English and aired on CBBC in United Kingdom during the same year.

Moomin takes place in the peaceful rural land of Moominvalley, where a young Moomin along with his parents Moominpappa and Moominmamma live in Moominhouse. The series follows the many adventures of Moomin and family, together with their friends, around Moominvalley and sometimes outside of it. Most of the stories involve discovering magical objects and creatures, adventures in different locations or dealing with everyday situations. While many episodes are faithful to or at least loosely based on the novels and comic strips, the series has its own consistent continuity.

The series helped fuel the "Moomin boom" of the 1990s, including an obsession with Moomin plush toys in Japan. After great success of the series, a sequel called Delightful Moomin Family: Adventure Diary was produced and aired on TV Tokyo from October 10, 1991, to March 26, 1992. The sequel series aired in several countries outside of Japan, where it was considered another season of Moomin, although it was never dubbed into English. The original series also spawned a theatrical prequel film Comet in Moominland which is based on the second novel of the same name and video games releases.

The series was dubbed into many languages (including, but not limited to, the aforementioned English, Swedish, Finnish, Norwegian, Dutch and Danish) and aired worldwide. In addition, a Northern Sami dub was made by NRK Sámi Radio and aired on NRK 1 in Norway and SVT1 in Sweden alongside the aforementioned Norwegian and Swedish dubs.