Pia Fidelis
Pia Fidelis, Latin feminine form for "pious and faithful", was the cognomen of several Roman legions, awarded by an emperor when the legion had proved "devoted and loyal". Some legions received this honour several times, and their name included the number of awards.
- Legio I Adiutrix Pia Fidelis Bis
- I Minervia Pia Fidelis Domitiana
- II Adiutrix
- III Italica VII Pia VII Fidelis
- V Macedonica VII Pia VII Fidelis
- VII Claudia VII Pia VII Fidelis
- X Gemina Pia Fidelis Domitiana
- XI Claudia Pia VI Fidelis VI
