Phir Hera Pheri (transl. Monkey Business once again) is a 2006 Indian Hindi-language comedy film written and directed by Neeraj Vora. It serves as the sequel to Hera Pheri (2000) and second installment of the Hera Pheri franchise. It stars Akshay Kumar, Suniel Shetty and Paresh Rawal reprising their roles from the previous film with Bipasha Basu, Rimi Sen, Johnny Lever and Rajpal Yadav. The plot follows, a twist of fate changes the lives of Raju, Shyam and Baburao when they get cheated by a fraudster Anuradha. They must now find another way to repay the loan taken from a dreaded gangster called Tiwari. The central plot is copied from the 1998 film Lock, Stock and Two Smoking Barrels and The Circus.Upon its release on 9 June 2006, the film was a major commercial success, becoming the 8th highest grosser of the year.

Over the years, the film has attained a cult status and significant fan following across generations owing to Akshay Kumar's comic timing as well its supporting casts like Rawal, Lever and Yadav. It is now considered a milestone in comedy films, as well as one of the best sequels ever made.