Saint Thomas
- Aaron Williams (composer)
- Ciudad Bolívar
- Jobstown
- Pierreville, Quebec
- Rising of the North
- S. Thomas' College, Bandarawela
- S. Thomas' College, Gurutalawa
- S. Thomas' College, Mount Lavinia
- S. Thomas' Preparatory School, Kollupitiya
- Saint Thomas (BB Parliament constituency)
- Saint Thomas (Brandenburg colony)
- Saint Thomas (basketball)
- Saint Thomas Academy
- Saint Thomas Choir School
- Saint Thomas Christians
- Saint Thomas Parish, Jamaica
- Saint Thomas's Gate
- Saint Thomas, Barbados
- Saint Thomas, Indiana
- Saint Thomas, U.S. Virgin Islands
- Saint-Hyacinthe, Quebec
- Saint-Thomas, Aisne
- Saint-Thomas, Haute-Garonne
- Saint-Thomas, Quebec
- Saint-Thomas-Didyme, Quebec
- Saints Paul Miki and Companions
- San Benedicto Island
- Santo Tomas (disambiguation)
- St Thomas College of Engineering and Technology
- St Thomas Street (disambiguation)
- St Thomas of Canterbury College
- St Thomas the Apostle Rural
- St Thomas' Hospital
- St Thomas, Exeter
- St Thomas, Swansea
- St. Thomas (electoral ward)
- St. Thomas (song)
- St. Thomas College, Kozhencherry
- St. Thomas College, Palai
- St. Thomas College, Thrissur
- St. Thomas Higher Secondary School, Kozhencherry
- St. Thomas Hospital (disambiguation)
- St. Thomas Island
- St. Thomas Mount
- St. Thomas Township, Pennsylvania
- St. Thomas University (Florida)
- St. Thomas University (New Brunswick)
- St. Thomas University School of Law
- St. Thomas station (disambiguation)
- St. Thomas' Church (disambiguation)
- St. Thomas' College, Dehradun
- St. Thomas' College, Kotte
- St. Thomas' College, Matale
- St. Thomas' College, Matara
- St. Thomas' Episcopal School
- St. Thomas, Minnesota
- St. Thomas, Missouri
- St. Thomas, Nevada
- St. Thomas, Newfoundland and Labrador
- St. Thomas, North Dakota
- St. Thomas, Ontario
- St. Thomas-St. John School District
- São Tomé
- São Tomé, Paraná
- São Tomé, Rio Grande do Norte
- Thomas Aquinas
- Thomas Becket
- Thomas Cantilupe
- Thomas Garnet
- Thomas Hansen (musician)
- Thomas I of Constantinople
- Thomas II of Constantinople
- Thomas More
- Thomas Percy, 7th Earl of Northumberland
- Thomas of Dover
- Thomas of Maurienne
- Thomas of Tolentino
- Thomas of Villanova
- Thomas the Apostle
- Thomas the Hermit
- Thomas, 2nd Earl of Lancaster
- Thomasleeha
- University of Scranton
- University of St. Thomas (Minnesota)
- University of St. Thomas (Texas)
- Vietnamese Martyrs