St. John's Seminary may refer to:

India St. John's Regional Seminary in Ramanthapur, Hyderabad. St. John's Regional Seminary (Philosophate) in Kothavalasa, Vizianagaram District, Andhra Pradesh

Ireland St. John's College, Waterford

United Kingdom St. John's Seminary (Wonersh), Wonersh, Guildford, Surrey, England

United States St. John's Seminary (California), Camarillo, California Saint John's Seminary (Massachusetts), Brighton, Boston, Massachusetts St. John's School of Theology-Seminary, College of Saint Benedict and Saint John's University in Collegeville, Minnesota St. John's College Seminary, an institution at what is now Fordham University Saint John Vianney Seminary (Minnesota), a college seminary in Saint Paul, Minnesota Saint John Vianney Seminary (Denver), a theological seminary in Denver, Colorado Saint John Vianney Seminary (Miami), a college seminary in Miami, Florida

See also Saint John's College (disambiguation) Saint John's University (disambiguation) St. John's School (disambiguation) Saint John's (disambiguation)