The Day a Pig Fell Into the Well () is a 1996 South Korean drama film and the directorial debut of Hong Sang-soo. It stars Bang Eun-hee, Jo Eun-sook, Park Jin-song, Lee Eung-kyung and Kim Eui-sung. It was also the feature film debut of Song Kang-ho. The title derives from a 1954 book by John Cheever.
Hong earned the Best Director award at the Korean Blue Dragon Film Awards for his work as well as awards at Rotterdam and Vancouver.
The plot focuses on the desires and lives of four characters in diverse circumstances: a poor novelist, a cheating wife, her germophobic husband, and a ticket girl.