Pius
- Aeneas
- Antipope Pius XIII
- Antoninus Pius
- Catholic Church
- Louis the Pious
- Maiken Pius
- Märt Pius
- PIUS reactor
- Pia (given name)
- Pio (given name)
- Pius Adesanmi
- Pius Bazighe
- Pius Bonifacius Gams
- Pius F. Koakanu
- Pius Ferdinand Messerschmitt
- Pius Fidelis Pinto
- Pius Font i Quer
- Pius Heinz
- Pius Langa
- Pius Lasisi Jimoh
- Pius Lee
- Pius Malip
- Pius N. Okeke
- Pius Ncube
- Pius Paschke
- Pius Schwert
- Pius Suter
- Pius Thicknesse
- Pius Vilakati
- Pius Walder
- Pius XV
- Pius Zingerle
- Pope Pius (disambiguation)
- Priit Pius
- Quintus Caecilius Metellus Pius
- Saara Pius
- The Young Pope
- Yi Kang