Rocketry: The Nambi Effect is a 2022 Indian biographical drama film based on the life of Nambi Narayanan, a former scientist and aerospace engineer of the Indian Space Research Organisation, who was accused of espionage and later exonerated.

The film is written, produced and directed by R. Madhavan, who also plays the lead role. The story spans across Narayanan’s days as a graduate student at Princeton University, before exploring his work as a scientist and the false espionage charges placed upon him.