847
| Years | 
|---|
| Millennium | 
| 1st millennium | 
| Centuries | 
| Decades | 
| Years | 
| 847 by topic | 
|---|
| Leaders | 
| Categories | 
| 
 | 
| Gregorian calendar | 847 DCCCXLVII | 
| Ab urbe condita | 1600 | 
| Armenian calendar | 296 ԹՎ ՄՂԶ | 
| Assyrian calendar | 5597 | 
| Balinese saka calendar | 768–769 | 
| Bengali calendar | 253–254 | 
| Berber calendar | 1797 | 
| Buddhist calendar | 1391 | 
| Burmese calendar | 209 | 
| Byzantine calendar | 6355–6356 | 
| Chinese calendar | 丙寅年 (Fire Tiger) 3544 or 3337 — to — 丁卯年 (Fire Rabbit) 3545 or 3338 | 
| Coptic calendar | 563–564 | 
| Discordian calendar | 2013 | 
| Ethiopian calendar | 839–840 | 
| Hebrew calendar | 4607–4608 | 
| Hindu calendars | |
| - Vikram Samvat | 903–904 | 
| - Shaka Samvat | 768–769 | 
| - Kali Yuga | 3947–3948 | 
| Holocene calendar | 10847 | 
| Iranian calendar | 225–226 | 
| Islamic calendar | 232–233 | 
| Japanese calendar | Jōwa 14 (承和14年) | 
| Javanese calendar | 744–745 | 
| Julian calendar | 847 DCCCXLVII | 
| Korean calendar | 3180 | 
| Minguo calendar | 1065 before ROC 民前1065年 | 
| Nanakshahi calendar | −621 | 
| Seleucid era | 1158/1159 AG | 
| Thai solar calendar | 1389–1390 | 
| Tibetan calendar | 阳火虎年 (male Fire-Tiger) 973 or 592 or −180 — to — 阴火兔年 (female Fire-Rabbit) 974 or 593 or −179 | 
Year 847 (DCCCXLVII) was a common year starting on Saturday of the Julian calendar.