Jonny Quest may refer to the following:
- Jonny Quest: The franchise as a whole.
- Titles:
- Jonny Quest: The original TV series airing for one season in 1964.
- Jonny Quest: A revival TV series airing for one season in 1986, and sometimes marketed as season two.
- Jonny Quest: A one-shot comic in 1964, by Gold Key Comics.
- Jonny Quest: A comic book series running from 1986-1988, published by Comico.
- Jonny Quest: A comic book series beginning in 2024 and currently ongoing, published by Dynamite Entertainment.
- Characters:
- Jonny Quest: The standard continuity character originating from the 1960s TV series.
- Jonny Quest: The incarnation of the character in the TV films Jonny's Golden Quest and Jonny Quest Versus the Cyber Insects.
- Jonny Quest: The incarnation of the character in the TV series The Real Adventures of Jonny Quest.
- Jonny Quest: The incarnation of the character appearing in DC Comics' Future Quest series in 2016.
- Jonny Quest aka "Action Johnny": An adult and traumatized incarnation of the character appearing in The Venture Bros., 2004-2018.
- Jonny Quest: An adult incarnation of the character who is married to Hadji, appearing in Jellystone! from 2021, ongoing.
- Jonny Quest: The incarnation of the character in Dynamite's Jonny Quest comic book series from 2024, ongoing.
- Jonathan Quest: An elderly version of the character, also appearing in Dynamite's Jonny Quest comic book series.