1275
| Years | 
|---|
| Millennium | 
| 2nd millennium | 
| Centuries | 
| Decades | 
| Years | 
| 1275 by topic | 
|---|
| Leaders | 
| 
 | 
| Birth and death categories | 
| Births – Deaths | 
| Establishments and disestablishments categories | 
| Establishments – Disestablishments | 
| Art and literature | 
| 1275 in poetry | 
| Gregorian calendar | 1275 MCCLXXV | 
| Ab urbe condita | 2028 | 
| Armenian calendar | 724 ԹՎ ՉԻԴ | 
| Assyrian calendar | 6025 | 
| Balinese saka calendar | 1196–1197 | 
| Bengali calendar | 681–682 | 
| Berber calendar | 2225 | 
| English Regnal year | 3 Edw. 1 – 4 Edw. 1 | 
| Buddhist calendar | 1819 | 
| Burmese calendar | 637 | 
| Byzantine calendar | 6783–6784 | 
| Chinese calendar | 甲戌年 (Wood Dog) 3972 or 3765 — to — 乙亥年 (Wood Pig) 3973 or 3766 | 
| Coptic calendar | 991–992 | 
| Discordian calendar | 2441 | 
| Ethiopian calendar | 1267–1268 | 
| Hebrew calendar | 5035–5036 | 
| Hindu calendars | |
| - Vikram Samvat | 1331–1332 | 
| - Shaka Samvat | 1196–1197 | 
| - Kali Yuga | 4375–4376 | 
| Holocene calendar | 11275 | 
| Igbo calendar | 275–276 | 
| Iranian calendar | 653–654 | 
| Islamic calendar | 673–674 | 
| Japanese calendar | Bun'ei 12 / Kenji 1 (建治元年) | 
| Javanese calendar | 1185–1186 | 
| Julian calendar | 1275 MCCLXXV | 
| Korean calendar | 3608 | 
| Minguo calendar | 637 before ROC 民前637年 | 
| Nanakshahi calendar | −193 | 
| Thai solar calendar | 1817–1818 | 
| Tibetan calendar | 阳木狗年 (male Wood-Dog) 1401 or 1020 or 248 — to — 阴木猪年 (female Wood-Pig) 1402 or 1021 or 249 | 
Year 1275 (MCCLXXV) was a common year starting on Tuesday of the Julian calendar.