Naaigal Jaakirathai (transl. Beware of Dogs) is a 2014 Indian Tamil-language comedy thriller film written and directed by Shakti Soundar Rajan featuring Sibiraj, Arundhati and a German Shepherd dog named Mani in the lead. It is inspired from the 1989 film Turner & Hooch. The film was produced by Sibiraj's father Sathyaraj under the banner Nathambal Film Factory. The music was composed by Dharan Kumar, cinematography was handled by Nizar Shifi and edited by Praveen K. L.

Naaigal Jaakirathai was released on 21 November 2014 and received positive reviews from critics and audience, and was one of the most profitable ventures of 2014. The movie was dubbed in Hindi as Police Aur Tiger.