Small curved knife) is a 2017 Indian Tamil-language action drama film written and directed by Ayappan.

The film features Inigo Prabhakaran, C. M. Senguttuvan and Anisha Xavier in the lead roles, with an ensemble cast of actors including Yogi Babu, Rajendran, Ramesh Thilak, Bala Saravanan, and Kaali Venkat in pivotal roles.

The film began production during mid-2016 and was released on 22 September 2017 to mixed review from critics.

[1] The film was shot across Kumbakonam in early 2017, with Rajendran briefly injured during the shoot.

[4] The film opened on 22 September 2017 to mixed reviews, with the critic from The Times of India stating the film "despite a not-so-bad plot, Pichuva Kaththi doesn't succeed to engage the viewers because of its watered-down narration and ineffective sequences" and that "the climax of the film, which had ample scope for a riveting sequence, ends up as a mediocre sequence with unconvincing execution".