|Centuries:||5th century – 6th century – 7th century|
|Decades:||530s 540s 550s – 560s – 570s 580s 590s|
|Years:||561 562 563 – 564 – 565 566 567|
|564 by topic|
|State leaders – Sovereign states|
|Birth and death categories|
|Births – Deaths|
|Establishment and disestablishment categories|
|Establishments – Disestablishments|
|Ab urbe condita||1317|
|Chinese calendar||癸未年 (Water Goat)
3260 or 3200
— to —
甲申年 (Wood Monkey)
3261 or 3201
|- Vikram Samvat||620–621|
|- Shaka Samvat||486–487|
|- Kali Yuga||3665–3666|
|Iranian calendar||58 BP – 57 BP|
|Islamic calendar||60 BH – 59 BH|
|Minguo calendar||1348 before ROC
|Seleucid era||875/876 AG|
|Thai solar calendar||1106–1107|
|Wikimedia Commons has media related to 564.|
Year 564 (DLXIV) was a leap year starting on Tuesday (link will display the full calendar) of the Julian calendar. The denomination 564 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
- Cadoc, abbot of Llancarfan (Wales), settles in Weedon and is made bishop (approximate date).
- August 22 – Columba reports seeing the Loch Ness Monster at the River Ness (this according to the "Life of St. Columba").
- Tulum, Maya walled city, on the Yucatán Peninsula (modern Mexico) is first mentioned on a stele inscription.
- Samson of Dol, seven founder saints of Brittany, attends a council in Paris and witnesses several royal decrees (approximate date).