Teesri Kasam (transl. The Third Vow) is a 1966 Hindi language drama film directed by Basu Bhattacharya and produced by lyricist Shailendra. It is based on the short story Mare Gaye Gulfam, by the Hindi novelist Phanishwarnath Renu. The film stars Raj Kapoor and Waheeda Rehman. The duo Shankar–Jaikishan composed the film's score. The film's cinematography was done by Subrata Mitra, dialogues were written by Phanishwarnath Renu and the screenplay is by Nabendu Ghosh.

Teesri Kasam is an unconventional film that portrays rural Indian society. It is the story of a naive bullock cart driver Hiraman, who falls in love with Hirabai, a dancer at a nautanki. The film also deals with the issue of exploitation of women in the performing arts, especially in travelling folk theatre.Teesri Kasam was a box-office bomb upon its release but won President's medal for best film (National award for best film).