1276
| Years | 
|---|
| Millennium | 
| 2nd millennium | 
| Centuries | 
| Decades | 
| Years | 
| 1276 by topic | 
|---|
| Leaders | 
| 
 | 
| Birth and death categories | 
| Births – Deaths | 
| Establishments and disestablishments categories | 
| Establishments – Disestablishments | 
| Art and literature | 
| 1276 in poetry | 
| Gregorian calendar | 1276 MCCLXXVI | 
| Ab urbe condita | 2029 | 
| Armenian calendar | 725 ԹՎ ՉԻԵ | 
| Assyrian calendar | 6026 | 
| Balinese saka calendar | 1197–1198 | 
| Bengali calendar | 682–683 | 
| Berber calendar | 2226 | 
| English Regnal year | 4 Edw. 1 – 5 Edw. 1 | 
| Buddhist calendar | 1820 | 
| Burmese calendar | 638 | 
| Byzantine calendar | 6784–6785 | 
| Chinese calendar | 乙亥年 (Wood Pig) 3973 or 3766 — to — 丙子年 (Fire Rat) 3974 or 3767 | 
| Coptic calendar | 992–993 | 
| Discordian calendar | 2442 | 
| Ethiopian calendar | 1268–1269 | 
| Hebrew calendar | 5036–5037 | 
| Hindu calendars | |
| - Vikram Samvat | 1332–1333 | 
| - Shaka Samvat | 1197–1198 | 
| - Kali Yuga | 4376–4377 | 
| Holocene calendar | 11276 | 
| Igbo calendar | 276–277 | 
| Iranian calendar | 654–655 | 
| Islamic calendar | 674–675 | 
| Japanese calendar | Kenji 2 (建治2年) | 
| Javanese calendar | 1186–1187 | 
| Julian calendar | 1276 MCCLXXVI | 
| Korean calendar | 3609 | 
| Minguo calendar | 636 before ROC 民前636年 | 
| Nanakshahi calendar | −192 | 
| Thai solar calendar | 1818–1819 | 
| Tibetan calendar | 阴木猪年 (female Wood-Pig) 1402 or 1021 or 249 — to — 阳火鼠年 (male Fire-Rat) 1403 or 1022 or 250 | 
Year 1276 (MCCLXXVI) was a leap year starting on Wednesday of the Julian calendar.