Aby is a 2017 Indian Malayalam-language drama film directed by prolific advertisement filmmaker Srikant Murali in his feature directorial debut. It is written by Santhosh Echikkanam and produced by Suvin K Varkey under the banner of Little Big Films. Vineeth Sreenivasan plays the lead and titular character of Aby. Aju Varghese, Suraj Venjaramoodu play supporting characters.

Aby is a boy with a dream that he wants to fly and make an aeroplane by his own without any formal engineering education. The movie depicts how the hero struggles to make his dream come true and the obstacles he faces on his way to success and achieve glory.

This film is a portrayal of Saji Thomas who lives in a village in Kerala who can neither hear nor speak but designed and created a lightweight aircraft. There are two films that feature Saji Thomas biography, the other one is titled Vimaanam (2017).