St. John's Day
St. John's Day may refer to:
Feasts celebrating the Nativity of St. John the Baptist:
- January 7, an Eastern Orthodox feast
- June 24, Midsummer Day
- an Eastern Orthodox feast celebrating his birth
- a Roman Catholic, Anglican feast celebrating his birth
- a Masonic feast
- August 29, an Eastern Orthodox feast commemorating his beheading
- September 23
- an Eastern Orthodox feast celebrating his conception
- a Roman Catholic feast celebrating his conception
- Thout 2, a Coptic Orthodox feast
Feasts celebrating John the Apostle:
- December 27, a Roman Catholic and Anglican feast
- December 27, a Masonic feast
- May 8, an Eastern Orthodox feast