| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 551 by topic |
|---|
| Leaders |
| Categories |
| Gregorian calendar | 551 DLI |
| Ab urbe condita | 1304 |
| Assyrian calendar | 5301 |
| Balinese saka calendar | 472–473 |
| Bengali calendar | −42 |
| Berber calendar | 1501 |
| Buddhist calendar | 1095 |
| Burmese calendar | −87 |
| Byzantine calendar | 6059–6060 |
| Chinese calendar | 庚午年 (Metal Horse) 3248 or 3041 — to — 辛未年 (Metal Goat) 3249 or 3042 |
| Coptic calendar | 267–268 |
| Discordian calendar | 1717 |
| Ethiopian calendar | 543–544 |
| Hebrew calendar | 4311–4312 |
| Hindu calendars | |
| - Vikram Samvat | 607–608 |
| - Shaka Samvat | 472–473 |
| - Kali Yuga | 3651–3652 |
| Holocene calendar | 10551 |
| Iranian calendar | 71 BP – 70 BP |
| Islamic calendar | 73 BH – 72 BH |
| Javanese calendar | 439–440 |
| Julian calendar | 551 DLI |
| Korean calendar | 2884 |
| Minguo calendar | 1361 before ROC 民前1361年 |
| Nanakshahi calendar | −917 |
| Seleucid era | 862/863 AG |
| Thai solar calendar | 1093–1094 |
| Tibetan calendar | 阳金马年 (male Iron-Horse) 677 or 296 or −476 — to — 阴金羊年 (female Iron-Goat) 678 or 297 or −475 |
Year 551 (DLI) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. The denomination 551 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.