| Centuries: | 5th century · 6th century · 7th century |
| Decades: | 520s 530s 540s 550s 560s 570s 580s |
| Years: | 548 549 550 551 552 553 554 |
| 551 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 551 DLI |
| Ab urbe condita | 1304 |
| Armenian calendar | 0 ԹՎ |
| Bahá'í calendar | -1293 – -1292 |
| Bengali calendar | -42 |
| Berber calendar | 1501 |
| Buddhist calendar | 1095 |
| Burmese calendar | -87 |
| Byzantine calendar | 6059 – 6060 |
| Chinese calendar | 庚午年十二月初九日 (3187/3247-12-9) — to —
辛未年十一月十八日(3188/3248-11-18) |
| Coptic calendar | 267 – 268 |
| Ethiopian calendar | 543 – 544 |
| Hebrew calendar | 4311 – 4312 |
| Hindu calendars | |
| - Bikram Samwat | 607 – 608 |
| - Shaka Samvat | 473 – 474 |
| - Kali Yuga | 3652 – 3653 |
| Holocene calendar | 10551 |
| Iranian calendar | 71 BP – 70 BP |
| Islamic calendar | 73 BH – 72 BH |
| Japanese calendar | |
| Korean calendar | 2884 |
| Thai solar calendar | 1094 |