|Centuries:||6th century – 7th century – 8th century|
|Decades:||570s 580s 590s – 600s – 610s 620s 630s|
|Years:||605 606 607 – 608 – 609 610 611|
|608 by topic|
|State leaders – Sovereign states|
|Birth and death categories|
|Births – Deaths|
|Establishment and disestablishment categories|
|Establishments – Disestablishments|
|Ab urbe condita||1361|
|Bahá'í calendar||−1236 – −1235|
|English Regnal year||N/A|
|Chinese calendar||丁卯年 (Fire Rabbit)
3304 or 3244
— to —
戊辰年 (Earth Dragon)
3305 or 3245
|- Vikram Samvat||664–665|
|- Shaka Samvat||530–531|
|- Kali Yuga||3709–3710|
|Igbo calendar||−392 – −391|
|Iranian calendar||14 BP – 13 BP|
|Islamic calendar||14 BH – 13 BH|
|Minguo calendar||1304 before ROC
|Thai solar calendar||1151|
|Wikimedia Commons has media related to 608.|
Year 608 (DCVIII) was a leap year starting on Monday (link will display the full calendar) of the Julian calendar. The denomination 608 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.
- Heraclius the Elder, exarch of Africa, and his son (also named Heraclius) revolt against emperor Phocas, whose regime in Constantinople has become unpopular and violent.
- Heraclius proclaims himself and his son as consuls, claiming the imperial title—and mint coins with the two wearing the consular robes. Syria and Palaestina Prima revolt.
- Byzantine–Persian War: King Khosrau II invades Armenia and raids deep into Anatolia through the Byzantine provinces of Cappadocia, Phrygia, Galatia, and Bithynia.
- August 1 – The Column of Phocas at Rome is dedicated in honour of Phocas. The Corinthian column has a height of 13.6 m (44 ft).
- September 25 – Pope Boniface IV succeeds Boniface III as the 67th pope of Rome.
- The observance of Halloween in the Roman Catholic Church is first recorded.
- Georgian Orthodox Church returns to Chalcedonism (approximate date).
- Charibert II, king of Aquitaine (approximate date)
- Philibert of Jumièges, Frankish abbot (approximate date)