Pennsylvanian may refer to:
* A person or thing from
Pennsylvania
*
Pennsylvanian (geology)
The Pennsylvanian ( , also known as Upper Carboniferous or Late Carboniferous) is, in the International Commission on Stratigraphy, ICS geologic timescale, the younger of two period (geology), subperiods (or upper of two system (stratigraphy), s ...
, a geological subperiod of the Carboniferous Period
*
''Pennsylvanian'' (train), an Amtrak train
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