Calvert Hall College High School (also known as "Calvert Hall" or "CHC") is a Catholic college preparatory high school for boys, located in Towson, Maryland, United States. The school was established in 1845 by the Institute of the Brothers of the Christian Schools as a Catholic college preparatory high school for boys. It is the oldest Christian Brothers school in the United States.

Among its academic offerings is the McMullen Scholars Program, a four-year advanced-level curriculum requiring extra coursework in humanities, rhetoric and logic, and a senior independent project. Additionally, a program for assisting students with learning differences exists (the La Salle program).