Class 101

Class 101 is the name given to several types of railway locomotive:

• GWR 101 Class, a British steam locomotive (of which only one was produced)
• British Rail Class 101, a British diesel multiple unit
• CIE Class 101, an Irish diesel locomotive
• DBAG Class 101, a German electric locomotive
• GS&WR Class 101, an Irish steam locomotive
• NIR Class 101, a Northern Irish diesel locomotive