 Blessed Miquel Baixeras Berenguer, C.M.F. |
| Blessed Miquel Codina Ventayol, C.M.F. |
| Blessed Miquel de Bianya, O.F.M. Cap. Pelai Ayats Vergés (secular name) |
| Blessed Miquel Grau Antolí |
| Blessed Miquel Juan Antonio Saludes Ciuret |
| Blessed Miquel Luis Bernardo Vilatimó Costa |
| Blessed Miquel Pons Ramis, M.SS.CC. |
| Blessed Miquel, O.H. Cristí Roca Huguet (secular name) |
| Blessed Miquel Rovira Font, C.M.F. |
| Blessed Miquel Rué Gené |
| Blessed Miquela Rullan Ribot, O.F.M. Born:1903.11.24 (Petra, Mallorca, Islas Baleares, Spain)Died:1936.07.23 🩸 (L’Arrabasada highway, Barcelona, Spain † 32)Beatified:2007.10.28Religious of Franciscan Daughters of Mercy. Martyr. |
 Blessed Miriam Teresa Demjanovich, S.C. Born:1901.03.26 (Bayonne, NJ, USA)Died:1927.05.08 (Convent Station, NJ, USA † 26)Beatified:2014.10.04 (Newark, USA)Religious of Congregation of the Sisters of Charity of St. Elizabeth. |
 Saint Mirin Abbot. Founder of Paisley Abbey. |
 Blessed Miroslav Bulešić |
 Saint Misael |
 Saint Mitre Born:433 (Thessaloniki, Greece)Died:466 (Aix-en-Provence, France † 33)Layperson. |
| Saint Mitre d’Aix |
 Saint Mocius |
 Saint Mocius of Hemesa |
| Blessed Modest de Mieres, O.F.M. Cap. Joan Bover Teixidó (secular name) |
| Saint Modesta |
| Blessed Modesta Moro Briz, F.d.C. Born:1901.07.11 (Santibáñez de Béjar, Salamanca, Spain)Died:1936.10.31 🩸 (Madrid, Spain † 35)Beatified:2013.10.13 (Tarragona, Spain)Religious of Daughters of Charity. Martyr. |
 Saint Modesta von Oeren, O.S.B. |
 Saint Modeste Andlauer, S.J. 路懋德 (正體中文) |
| Blessed Modeste-Marie Burgen, O. Cist. |
 Blessed Modestino di Gesù e Maria, O.F.M. Domenico Nicola Mazzarella (secular name) |
| Blessed Modesto Allepuz Vera |
| Blessed Modesto de Albocácer, O.F.M. Cap. Modesto García Martí (secular name) |
| Blessed Modesto María de Torrent, T.C. Vicente Gay Zarzo (secular name) |
| Blessed Modesto Vegas y Vegas, O.F.M. Conv. |
 Saint Modestus Bishop. Apostle of Carinthia. |
| Saint Modestus |
 Blessed Moisés Lira Serafín, M.Sp.S. |
 Blessed Mojżesz, O.P. |
| Saint Molaise Laserian of Leighlin |
| Saint Moluag |
| Saint Mommole de Fleury Abbot. Second abbot of Fleury-sur-Loire. |
| Saint Monégonde de Chartres |
 Blessed Monica モニカ (日本語) |
| Blessed Monica モニカ (日本語) |
| Blessed Monica モニカ (日本語)Layperson of Kyoto. Married. Martyr. |
| Blessed Monica モニカ (日本語)Layperson of Kyoto. Married. Martyr. |
| Saint Monica |
| Saint Moninne of Killeavy |
| Blessed Monique Pichery |
 Saint Monon |
| Saint Monon de Nassogne |
| Saint Montaine Died:VIII century (Ferrières, France)Abbess. Abbess of Notre-Dame de Bethléem at Ferrières. |
| Saint Montanus |
 Saint Montanus |
 Blessed Montfort Scott |
 Saint Mór |
| Saint Morand de Cluny, O.S.B. Clun. |
| Saint Mosè di Roma |
| Blessed Mosè Tovini, C.H.F. |
 Saint Moses |
 Saint Moses Bishop. Hermit. Bishop of the Saracens. |
| Saint Moses of Alexandria |
| Saint Moses the Black |
 Saint Mucian of Mesia |
 Saint Mugagga Lubowa |
| Saint Mukasa Kiriwawanvu |
| Saint Muredach of Killala |
| Saint Mustiola |
| Saint Mutien-Marie, F.S.C. Louis-Joseph Wiaux (secular name) |
 Saint Mygdine |
 Blessed Mykola Konrad (Ukrainian Rite) Микола Конрад (Українська) |
 Blessed Mykola Tsehel’s’kyi (Ukrainian Rite) Микола Цегельський (Українська) |
| Blessed Mykolai Charnets’kyi, C.SS.R. (Ukrainian Rite) Миколай Чарнецький (Українська) |
| Blessed Mykyta Budka (Ukrainian Rite) Микита Будка (Українська) |
| Saint Myro |
 Saint Myrope of Chios |