Charles W. Juels (1944-2009) was an American amateur astronomer. He was born in New York City, grew up in Cincinnati, Ohio, and graduated from Cincinnati College of Medicine in 1969. Juels was a prolific discoverer of asteroids, one of the top 30 discoverers of minor planets, with 315 to his credit. He operated out of Fountain Hills Observatory, near Fountain Hills, Arizona.
Juels and Paulo R. Holvorcem won the Harvard-Smithsonian 2003 Comet Award for their joint charge-coupled-device (CCD) electronic-camera discovery of comet C/2002 Y1 on December 28, 2002.
He was a retired Phoenix psychiatrist at the time of his discoveries.