

| Waiters, waitresses | Martha |
| Wales | David |
| War victims, civilian | Mary, Queen of Peace |
| Washington, DC | Our Immaculate Queen |
| Washington, USA | Our Lady of Good Help |
| Water, danger from | Florian |
| Waterford, Ireland | Odrian |
| Weavers | Parasceva, Antony Claret, Maurice, Onuphrius |
| West Indies | Gertrude |
| West Virginia, USA | Our Lady of Victory |
| Wheelwrights | Catherine of Alexandria |
| Widows | Frances of Rome, Paula |
| Winchester, England | Swithun |
| Wine merchants, and wine trade | Amand |
| Winegrowers | Vincent of Saragossa, Martin of Tours |
| Wisconsin, USA | Our Lady of the Americas |
| Women Appointed for Voluntary Emergency Services (WAVES) | Joan of Arc |
| Women giving birth | Margaret (or Marina) of Antioch |
| Women in labor | Anne (Mother of Mary), Erasmus (Elmo) |
| Women, Italian | Paschal Baylon |
| Women, childless | Anne (Mother of Mary) |
| Women, young and students | Catherine of Alexandria |
| Workers | Joseph |
| Workers, young | John Bosco |
| World Youth Day | Kateri Tekakwitha |
| Writers | Francis de Sales |
| Writers, Spanish Catholic | Teresa of Avila |
| Wyoming, USA | Our Lady of the Valley |
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