| Centuries: | 4th century · 5th century · 6th century |
| Decades: | 460s 470s 480s 490s 500s 510s 520s |
| Years: | 490 491 492 493 494 495 496 |
| 493 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 493 CDXCIII |
| Ab urbe condita | 1246 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1351 – -1350 |
| Bengali calendar | -100 |
| Berber calendar | 1443 |
| Buddhist calendar | 1037 |
| Burmese calendar | -145 |
| Byzantine calendar | 6001 – 6002 |
| Chinese calendar | 壬申年十一月廿八日 (3129/3189-11-28) — to —
癸酉年十二月初八日(3130/3190-12-8) |
| Coptic calendar | 209 – 210 |
| Ethiopian calendar | 485 – 486 |
| Hebrew calendar | 4253 – 4254 |
| Hindu calendars | |
| - Bikram Samwat | 549 – 550 |
| - Shaka Samvat | 415 – 416 |
| - Kali Yuga | 3594 – 3595 |
| Holocene calendar | 10493 |
| Iranian calendar | 129 BP – 128 BP |
| Islamic calendar | 133 BH – 132 BH |
| Japanese calendar | |
| Korean calendar | 2826 |
| Thai solar calendar | 1036 |