1381
| Years | 
|---|
| Millennium | 
| 2nd millennium | 
| Centuries | 
| Decades | 
| Years | 
| 1381 by topic | 
|---|
| Leaders | 
| 
 | 
| Birth and death categories | 
| Births – Deaths | 
| Establishments and disestablishments categories | 
| Establishments – Disestablishments | 
| Art and literature | 
| 1381 in poetry | 
| Gregorian calendar | 1381 MCCCLXXXI | 
| Ab urbe condita | 2134 | 
| Armenian calendar | 830 ԹՎ ՊԼ | 
| Assyrian calendar | 6131 | 
| Balinese saka calendar | 1302–1303 | 
| Bengali calendar | 787–788 | 
| Berber calendar | 2331 | 
| English Regnal year | 4 Ric. 2 – 5 Ric. 2 | 
| Buddhist calendar | 1925 | 
| Burmese calendar | 743 | 
| Byzantine calendar | 6889–6890 | 
| Chinese calendar | 庚申年 (Metal Monkey) 4078 or 3871 — to — 辛酉年 (Metal Rooster) 4079 or 3872 | 
| Coptic calendar | 1097–1098 | 
| Discordian calendar | 2547 | 
| Ethiopian calendar | 1373–1374 | 
| Hebrew calendar | 5141–5142 | 
| Hindu calendars | |
| - Vikram Samvat | 1437–1438 | 
| - Shaka Samvat | 1302–1303 | 
| - Kali Yuga | 4481–4482 | 
| Holocene calendar | 11381 | 
| Igbo calendar | 381–382 | 
| Iranian calendar | 759–760 | 
| Islamic calendar | 782–783 | 
| Japanese calendar | Kōryaku 3 / Eitoku 1 (永徳元年) | 
| Javanese calendar | 1294–1295 | 
| Julian calendar | 1381 MCCCLXXXI | 
| Korean calendar | 3714 | 
| Minguo calendar | 531 before ROC 民前531年 | 
| Nanakshahi calendar | −87 | 
| Thai solar calendar | 1923–1924 | 
| Tibetan calendar | 阳金猴年 (male Iron-Monkey) 1507 or 1126 or 354 — to — 阴金鸡年 (female Iron-Rooster) 1508 or 1127 or 355 | 
Year 1381 (MCCCLXXXI) was a common year starting on Tuesday of the Julian calendar.