[edit] Roman Catholic

• Gabriele Allegra, O.F.M. – Missionary to China to translate the Bible
• Francisco Álvares – Portuguese missionary to Ethiopia.
• Saint Amand
• José de Anchieta – Missionary in Brazil.
• Alexis Bachelot – Missionary to Hawaii.
• Alonzo de Barcena – Missionary and linguist.
• Carlos Filipe Ximenes Belo – Missionary in Mozambique.
• Jean-Rémy Bessieux – Missionary to Gabon and its first bishop.
• Luis de Bolaños – Missionary who started the Indian Reductions system in Paraguay.
• Libert H. Boeynaems – Missionary to Hawaii.
• Jean de Brébeuf – French Jesuit martyr in Canada who wrote Huron Carol.
• Luis Cancer – Missionary in Central America.
• Father Damien – Missionary to Hawaii known for working with the lepers.
• Louis William Valentine Dubourg – Missionary to the USA.
• Joseph Freinademetz – Nineteenth century canonized missionary to China.
• René Goupil – French missionary to what is now Canada.
• Évariste Régis Huc – French missionary in nineteenth century China.
• Isaac Jogues – French missionary to what is now Canada.
• John of Montecorvino – Franciscan missionary to China in Medieval times.
• Jordanus – Dominican missionary to India.
• Peter Richard Kenrick – Irish missionary to the USA.
• Eusebio Kino – Missionary to what is now the US Southwest.
• Fermín Lasuén – Founder of numerous missions in Baja California.
• Jacques Marquette – Missionary and explorer.
• Saint Ninian
• Marcos de Niza – French Franciscan missionary who accompanied Francisco Vásquez de Coronado.
• Roberto de Nobili – Jesuit missionary in India who learned Tamil and Sanskrit.
• Odoric of Pordenone – Franciscan missionary to China in Medieval times.
• Juan de Padilla – Franciscan who accompanied Coronado.
• Alexander de Rhodes – French Jesuit important to the history of Christianity in Vietnam.

Holy Spirit Fathers

• Matteo Ricci – Jesuit missionary in China.
• Junípero Serra – Founded the mission system of what is now the US state of California.
• Mother Teresa – Missionary to India.
• William of Rubruck – Franciscan missionary to the Mongols.
• Alessandro Valignano – Italian Jesuit who supervised missions in the Far East, particularly Japan.
• Francis Xavier – Jesuit missionary to India and Japan.
• Padre Antonio Vieira – Portuguese Jesuit missionary to Brazil and South America, converted indians in South America

called the Great Father of the indegian people in South America, was against the inquisition, and probably is one of the bigest converters of people to catolic religion.