| Centuries: | 6th century · 7th century · 8th century |
| Decades: | 630s 640s 650s 660s 670s 680s 690s |
| Years: | 657 658 659 660 661 662 663 |
| 660 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 660 DCLX |
| Ab urbe condita | 1413 |
| Armenian calendar | 109 ԹՎ ՃԹ |
| Bahá'í calendar | -1184 – -1183 |
| Bengali calendar | 67 |
| Berber calendar | 1610 |
| Buddhist calendar | 1204 |
| Burmese calendar | 22 |
| Byzantine calendar | 6168 – 6169 |
| Chinese calendar | 己未年十一月十四日 (3296/3356-11-14) — to —
庚申年十一月廿四日(3297/3357-11-24) |
| Coptic calendar | 376 – 377 |
| Ethiopian calendar | 652 – 653 |
| Hebrew calendar | 4420 – 4421 |
| Hindu calendars | |
| - Bikram Samwat | 716 – 717 |
| - Shaka Samvat | 582 – 583 |
| - Kali Yuga | 3761 – 3762 |
| Holocene calendar | 10660 |
| Iranian calendar | 38 – 39 |
| Islamic calendar | 39 – 40 |
| Japanese calendar | |
| Korean calendar | 2993 |
| Thai solar calendar | 1203 |