The film marked Akshay and Katrina's first successful film together.
According to actor Akshay Kumar, the film is based on the real story of his friend, which he had told him and Akshay was very fascinated with it.
Bengali film "Poron Jay Joliya Re" was a scene to scene copy of Namaste London. Upon finding this out, producer Vipul Shah wanted to take legal action against the producers.
First film after Boom that Katrina spoke in her own voice.
The movie was going to have a scene with Katrina Kaif (Jazzmeet) wearing a short skirt in a mosque, but that scene was removed for religious reasons.