Julius Onah is a Nigerian-American film director, screenwriter and producer. He has directed the films The Cloverfield Paradox (2018), Luce (2019), and the upcoming Captain America: Brave New World (2025).

The Cloverfield Paradox is a 2018 American science fiction horror film directed by Julius Onah and written by Oren Uziel, from a story by Uziel and Doug Jung, and produced by J. J. Abrams and Lindsey Weber. It is the third film in the Cloverfield franchise, following Cloverfield (2008) and 10 Cloverfield Lane (2016). It stars Daniel Brühl, Elizabeth Debicki, Aksel Hennie, Gugu Mbatha-Raw, Chris O'Dowd, John Ortiz, David Oyelowo, and Zhang Ziyi. It follows an international group of astronauts aboard a space station who, after using a particle accelerator to try to solve Earth's energy crisis, must find a way home when the planet seemingly vanishes.