| Millennium: | 2nd millennium | 
|---|---|
| Centuries: | |
| Decades: | |
| Years: | 
| 1031 by topic | |
| Lists of leaders | |
| Political entities - State leaders - Religious leaders | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 1031 MXXXI | 
| Ab urbe condita | 1784 | 
| Armenian calendar | 480 ԹՎ ՆՁ | 
| Assyrian calendar | 5781 | 
| Bengali calendar | 438 | 
| Berber calendar | 1981 | 
| English Regnal year | N/A | 
| Buddhist calendar | 1575 | 
| Burmese calendar | 393 | 
| Byzantine calendar | 6539–6540 | 
| Chinese calendar | 庚午年 (Metal Horse) 3727 or 3667 — to — 辛未年 (Metal Goat) 3728 or 3668 | 
| Coptic calendar | 747–748 | 
| Discordian calendar | 2197 | 
| Ethiopian calendar | 1023–1024 | 
| Hebrew calendar | 4791–4792 | 
| Hindu calendars | |
| - Vikram Samvat | 1087–1088 | 
| - Shaka Samvat | 952–953 | 
| - Kali Yuga | 4131–4132 | 
| Holocene calendar | 11031 | 
| Igbo calendar | 31–32 | 
| Iranian calendar | 409–410 | 
| Islamic calendar | 421–423 | 
| Japanese calendar | Chōgen 4 (長元4年) | 
| Javanese calendar | 933–934 | 
| Julian calendar | 1031 MXXXI | 
| Korean calendar | 3364 | 
| Minguo calendar | 881 before ROC 民前881年 | 
| Nanakshahi calendar | −437 | 
| Seleucid era | 1342/1343 AG | 
| Thai solar calendar | 1573–1574 | 
Year 1031 (MXXXI) was a common year starting on Friday (link will display the full calendar) of the Julian calendar.