841
| Years | 
|---|
| Millennium | 
| 1st millennium | 
| Centuries | 
| Decades | 
| Years | 
| 841 by topic | 
|---|
| Leaders | 
| Categories | 
| 
 | 
| Gregorian calendar | 841 DCCCXLI | 
| Ab urbe condita | 1594 | 
| Armenian calendar | 290 ԹՎ ՄՂ | 
| Assyrian calendar | 5591 | 
| Balinese saka calendar | 762–763 | 
| Bengali calendar | 247–248 | 
| Berber calendar | 1791 | 
| Buddhist calendar | 1385 | 
| Burmese calendar | 203 | 
| Byzantine calendar | 6349–6350 | 
| Chinese calendar | 庚申年 (Metal Monkey) 3538 or 3331 — to — 辛酉年 (Metal Rooster) 3539 or 3332 | 
| Coptic calendar | 557–558 | 
| Discordian calendar | 2007 | 
| Ethiopian calendar | 833–834 | 
| Hebrew calendar | 4601–4602 | 
| Hindu calendars | |
| - Vikram Samvat | 897–898 | 
| - Shaka Samvat | 762–763 | 
| - Kali Yuga | 3941–3942 | 
| Holocene calendar | 10841 | 
| Iranian calendar | 219–220 | 
| Islamic calendar | 226–227 | 
| Japanese calendar | Jōwa 8 (承和8年) | 
| Javanese calendar | 738–739 | 
| Julian calendar | 841 DCCCXLI | 
| Korean calendar | 3174 | 
| Minguo calendar | 1071 before ROC 民前1071年 | 
| Nanakshahi calendar | −627 | 
| Seleucid era | 1152/1153 AG | 
| Thai solar calendar | 1383–1384 | 
| Tibetan calendar | 阳金猴年 (male Iron-Monkey) 967 or 586 or −186 — to — 阴金鸡年 (female Iron-Rooster) 968 or 587 or −185 | 
Year 841 (DCCCXLI) was a common year starting on Saturday of the Julian calendar.