- Miquel pivot theorem
- Miquel point
- Miquel theorem
- Miquel triangle
- Miranda, C.
- mirror filter
- mirror image
- mirror manifold
- mirror pair
- mirror plane
- mirror reflection
- mirror symmetry
- miscalculation
- miscellaneous
- misconception
- miscount
- Mises, R.von
- misfit
- Misrachi, E.
- missing dollar paradox
- missing experimental unit
- missing observation
- missing plot technique
- missing value
- mistake