Norfolk and Western Class A may refer to:
- Norfolk and Western Class A (1883) - A Class of two 0-6-2 "Webb" type Tank Engine.
- Norfolk and Western Class A (1902) - A Class of two 4-6-0 "Ten-Wheeler" type steam locomotives.
- Norfolk and Western Class A (1936–1950) - A Class of 2-6-6-4 simple-articulated steam locomotives.