Collegium Musicum is a Latin term for a group of amateur musicians connected with a university. It is also the name of many modern choral groups. In Germany, numerous choral groups by this name flourished in the 17th and 18th centuries, and actively promoted public concerts. Perhaps the most famous from that time period is the one associated with Leipzig University, founded by Fasch and later associated with Bach.

Famous historical choruses by that name include:

• Collegium Musicum (Leipzig) - a musical ensemble founded in Leipzig in the 17th century by Johann Friedrich Fasch.
• Collegium Musicum (Hamburg) - a musical ensemble founded in Hamburg in the 17th century by Matthias Weckmann.

Famous modern choruses by that name include:

• The Collegium Musicum of London