| John Zarrella | |
| Nationality: | American |
| Education: | St. Thomas University |
| Occupation: | News correspondent |
| Years Active: | 1981–2014 |
John Zarrella is an American news correspondent. He worked for CNN from 1981 to 2014. He was the principal correspondent for CNN's coverage of the U.S. space program, covering such events such as John Glenn’s 1998 return to space, the Mars Pathfinder mission and numerous space shuttle launches. Zarrella was the CNN network correspondent on site when the 1986 Challenger shuttle disaster occurred. In 2011, Zarrella covered the final flights of the Space Shuttle program. In 2020 he made an appearance in Challenger the Final Flight recounting covering the Challenger disaster.