# Normal

Normal may refer to:

## Mathematics

There are many unrelated notions of "normality" in mathematics. Non-mathematical subjects very frequently refer to Normal (geometry) and Normal Distribution; see also the disambiguation pages for Normal form and Normalization.

### Topology

• Normal space (or ${\displaystyle T_{4}}$) spaces, topological spaces characterized by separation of closed sets

## Transport

• Metro Normal, a rapid transit railway station in the Mexico City Metro system