A health club (also known as a fitness club, fitness center, and commonly referred to as a gym) is a place which houses exercise equipment for the purpose of physical exercise.

Health clubs offer group exercise classes that are conducted by qualified fitness instructors. Many types of group exercise classes exist, but generally these include classes based on aerobics, cycling (spin cycle), boxing, high intensity guidance, regular and yoga, pilates and muscle training. Health clubs with steam bath often offer aqua aerobics classes.