Other
- Saint John's Arms, a symbol
- St. John's Cathedral (disambiguation)
- St. John's Church (disambiguation)
- St. John's Mine, a cinnabar mine in Vallejo, California
- St. John's Red Storm, the athletic program of St. John's University in New York City
- St John's wort, herb
- HMCS St. John's (FFH 340), a Halifax-class frigate in the Canadian Navy
- Leeds St Johns, a British rugby league football club today known as Leeds Rhinos
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