MCPS can mean:
- Mechanical-Copyright Protection Society
- Member of College of Physicians and Surgeons (Canada)
- Montgomery Catholic Preparatory School (Montgomery, Alabama)
- Montgomery County Public Schools
- McCracken County Public Schools
- Millions of Cycles Per Second, better known as Megahertz, a frequency measure used for processing speed in computers
- Membership diploma of two years length offered by the College of Physicians & Surgeons of Pakistan
- MAC Common Part Sublayer