- Country: Japan
- Genres: Comedy
- Release: 2001-11-10
- Director: Kon Ichikawa
- Writers: Yo Takeyama , Natto Wada , Shûgorô Yamamoto
- Language: Japanese
- Stars: Keiko Kishi , Ryûji Harada , Shôichi Ozawa , Kanae Katsuno , Tsuyoshi Ujiki , Isao Bitō , Yuta Yamazaki , Nekohachi Edoya IV , Masaki Iizumi , Saburo Ishikura
- Runtime: 96 min
- Awards: 2 wins & 3 nominations
- AKA: Mamusia (Poland) , Big Mama (Canada) , Kah-chan , かあちゃん (Japan) , La mère (France, French Republic)
- Plot: Okatsu is a widow raising five children - adults but still mama-dependent - in mid-eighteenth century Edo, Japan. Her frugality attracts unflattering comment even amid national tough times (the region is in famine) What Okatsu tells no one is that she saves so that a friend can start his own business once he's released from prison.
- IMDB:tt0314247
Kah-chan Cast · · · ALL
Kon Ichikawa
Director
Keiko Kishi
Okatsu
Ryûji Harada
Yukichi
Tsuyoshi Ujiki
Ichita
Saburo Ishikura
Baijaku Nakamura
Kanae Katsuno
Yuta Yamazaki