| Mischievous Twins: The Tales of St. Clare's | |
| Ja Kanji: | おちゃめなふたご ―クレア学院物語― |
| Ja Romaji: | Ochame na Futago: Kurea Gakuin Monogatari |
| Genre: | School story |
| Type: | tv series |
| Director: | Masaharu Okuwaki |
| Producer: | Masahito Yoshioka |
| Music: | Masahiro Kawasaki |
| Studio: | Tokyo Movie Shinsha |
| Network: | NNS (NTV) |
| First: | January 5, 1991 |
| Last: | November 2, 1991 |
| Episodes: | 26 |
is a 1991 Japanese anime created by Tokyo Movie Shinsha (now known as TMS Entertainment) and originally broadcast on Nippon TV from January to November 1991. The anime is based on the St. Clare's books by English children's author Enid Blyton.
Twin sisters Patricia and Isabel O'Sullivan are sent to St. Clare's by their parents, due to their fear that the twins might become negatively influenced.
The anime was rebroadcast on NHK-BS2 in 1998, on KBS from August 23, 2013 to September 27, 2013, and on Tokyo MX from November 14, 2013 to January 14, 2014.
A Portuguese dub was created and broadcast on RTP2 in 1992, and later on RTP1 in 1994, under the name As Gémeas de Santa Clara.
An Italian dub was created by Deneb Film and broadcast on Italia 1 in 1993, under the name Una scuola per cambiare.
A Dutch dub was created and broadcast on Netherland 3 and Ketnet in 1994, under the name De dolle tweeling.
A Tagalog dub was created and broadcast on ABS-CBN.
A German dub was broadcast on Kinderkanal in Germany from October 17, 1997 to November 24, 1997,[1] under the name Hanni und Nanni. It was also aired on ZDF and ORF 1 in Austria.
A French dub was created by Studio One Take Productions and broadcast on Teletoon in 1997, under the name Les Jumelles de St-Clare.
A Catalan dub was created and broadcast on K3 and TV3 in 1998, under the name Les Bessones a St. Clare's. Antena 3 broadcast the series in European Spanish, as well as TV Azteca in Mexico (Latin American Spanish/Mexican dub), both titled Las Gemelas de St. Claire.