St. Pius X (disambiguation)
- Cedar Mill, Oregon
- International Seminary of Saint Pius X
- List of parishes of the Roman Catholic Diocese of Honolulu
- Maloth, Kasaragod
- Roman Catholic Diocese of Fort Wayne-South Bend
- Roman Catholic Diocese of Peoria
- Roman Catholic Diocese of Sacramento
- Runnymede, Toronto
- Saint Pius X Catholic High School (Kansas City, Missouri)
- Saint Pius X Catholic High School, Rotherham
- Saint Pius X College, Bodo City
- Saint Pius X High School (Lower Pottsgrove Township, Pennsylvania)
- Society of Saint Pius X
- Society of St. Pius X
- South Yarmouth, Massachusetts
- St Pius X College, Magherafelt
- St. Joseph County, Indiana
- St. Pius X
- St. Pius X Catholic High School (DeKalb County, Georgia)
- St. Pius X College
- St. Pius X High School (Albuquerque)
- St. Pius X High School (Festus, Missouri)
- St. Pius X High School (Houston, Texas)
- St. Pius X High School (Ottawa)
- St. Pius X Minor Seminary
- St. Pius X National School
- St. Pius X School of Liturgical Music
- St. Pius X School, Chula Vista
- St. Pius X School, New Plymouth
- St. Pius X Seminary
- St. Pius X Seminary (Dubuque, Iowa)
- Switzerland
- Templeogue
- Valais
- Écône