Eric James Christensen (born 1977 December 5) is an American astronomer and a discoverer of comets. He works as a staff scientist with Catalina Sky Survey and is responsible for the survey's near-Earth object operation.
Christensen is the director of the Catalina Sky Survey (CSS), which is funded by NASA and based at the Lunar and Planetary Laboratory of the University of Arizona in Tucson. Christensen is the director of the survey's near-Earth object (NEO) operations, including observing, software development, cadence optimization, telescope and instrument maintenance and collimation, survey modeling and optimization, and project management. He has also spent 5 years at Gemini South Observatory in Chile as part of the science operations team, including hunting for meteorites in the Atacama Desert.
Asteroid 13858 Ericchristensen, discovered by the Catalina Sky Survey in 1999, was named in his honor. The official was published by the Minor Planet Center on 22 July 2013 .