Olin Jeuck Eggen (July 9, 1919 – October 2, 1998) was an American astronomer. Some sources incorrectly give his name as Olin Jenck Eggen.
- "A Remembrance of Olin Eggen — 1919–1998", by Nicholas Suntzeff, 6 October 1998; NOAO Newsletter, No. 56, December 1998.
- "Eggen Takes the Papers", by Nick Kollerstrom, Neptune's Discovery: The British Case for Co-Prediction, Science and Technology Studies, University College London.
- "The Case of the Pilfered Planet", by William Sheehan, Nicholas Kollerstrom, and Craig B. Waff, Scientific American.com, December 2004.