Gymnasium may refer to:
- Gymnasium (ancient Greece), educational and sporting institution
- Gymnasium (school), type of secondary school that prepares students for higher education
- Gymnasium (Denmark)
- Gymnasium (Germany)
- Gymnasium UNT, high school of the National University of Tucumán, Argentina
- Gymnasium (Russia) - a type of advanced secondary school. See also Education in Russia. Example:
- Gymnasium of Dimitrovgrad, Russia
- Gym, place for physical exercise
- Gymnasium F.C., Douglas on the Isle of Man