There are a number of saints and blesseds named Teresa:

Teresa Benedicta of the Cross

Teresa Bracco

Teresa de Gesu, Jornet y Ibars

Teresa Eustochio

Teresa Eustochio Verzeri

Teresa Grillo Michel

Teresa Margaret Redi

Teresa Margaret of the Sacred Heart

Teresa Maria de la Cruz

Teresa Maria Mastena

Teresa Maria of the Cross

Teresa Michel

Teresa of Avila

Teresa of Calcutta

Teresa of Portugal

Terese of the Andes

Teresa of the Child Jesus Saint John of the Cross

Teresa Valse Pantellini

Teresa Verzeri

There are several women named St. Teresa who have been recognized as saints by the Catholic Church. Some of the most well-known ones are St. Teresa of Avila, St. Teresa of Calcutta (Mother Teresa), and St. Therese of Lisieux. Each of these women had a significant impact on the Church and the world.

Teresa Kowalczyk's birth name is Teresa Kowalska.

It depends on which Teresa being mentioned (example: Saint Teresa, Mother Teresa, etc.)