Terry Lovejoy (born 20 November 1966) is an information technologist from Thornlands, Queensland, Australia, most widely known as an amateur astronomer.
He has discovered six comets, including C/2011 W3 (Lovejoy), the first Kreutz Sungrazing comet discovered by ground-based observation in over 40 years.
He is also known for popularizing procedures for modifying consumer-grade digital cameras so that they can be used for digital camera astrophotography.