| Celebration | Name | Saint | Birth | Death |
|---|---|---|---|---|
| 1 of February | Urso | Saint Urso | Italy | |
| 18 of February | uan | Saint Juan Pedro Néel y compañeros | 1862 China | |
| 20 of March | Urbicio | Saint Urbicio of Metz | 450 France | |
| 3 of April | Ulpiano | Saint Ulpiano of Tiro | 306 Syrian arab republic | |
| 9 of April | Ubald | Blessed Ubald Adimari | 1315 Italy | |
| 13 of April | Urso | Saint Urso of Rávena | 425 Italy | |
| 17 of April | Ustazades | Saint Ustazades y compañeros | 341 Iraq | |
| 18 of April | Ursmaro | Saint Ursmaro | 713 Belgium | |
| 1 of May | Ubald | Blessed Ubald of Saint Gimignano | 1320 Italy | |
| 8 of May | Ulrica | Blessed Ulrika Nisch | 1913 Germany | |
| 16 of May | Ubaldo | Saint Ubaldo of Gubbio | Italy | 1160 Italy |
| 19 of May | Urbano | Saint Urbano I papa | 230 Italy | |
| 28 of May | Ubaldesca | Saint Ubaldesca | 1206 Italy | |
| 29 of May | Úrsula | Saint Úrsula Ledóchowska | 1865 Austria | 1939 Italy |
| 2 of July | Urbano | Saint Urbano mártir | 285 Italy | |
| 4 of July | Udalrico | Saint Udalrico of Augsburgo | 973 Germany | |
| 27 of July | Urso | Saint Urso of Loches | France | |
| 29 of July | Urban | Blessed Urban II pope | 1099 Italy | |
| 30 of July | Urso | Saint Urso of Auxerre | France | |
| 14 of August | Ursicino | Saint Ursicino del Ilírico | Italy | |
| 2 of October | Ursicino | Saint Ursicino of Chur | Italy | |
| 21 of October | Úrsula | Saint Ursula and companions | Germany | Germany |
| 6 of November | Ubaldo | Blessed Ubaldo Revilla Rodríguez | Spain | Spain |
| 9 of November | Ursino | Saint Ursino of Bourges | France | |
| 28 of November | Urbano | Saint Urbano | ||
| 7 of December | Urbano | Saint Urbano obispo | Italy | Italy |
| 15 of December | Urbicio | Saint Urbicius | France | 802 France |
| 19 of December | Urban | Blessed Urban V pope | France | 1370 France |
| 20 of December | Ursicino | Saint Ursicino | Switzerland | 620 Switzerland |