| Millennium: | 2nd millennium | 
|---|---|
| Centuries: | |
| Decades: | |
| Years: | 
| 1172 by topic | |
| Leaders | |
| Political entities - State leaders - Religious leaders | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Art and literature | |
| 1172 in poetry | |
| Gregorian calendar | 1172 MCLXXII | 
| Ab urbe condita | 1925 | 
| Armenian calendar | 621 ԹՎ ՈԻԱ | 
| Assyrian calendar | 5922 | 
| Bengali calendar | 579 | 
| Berber calendar | 2122 | 
| English Regnal year | 18 Hen. 2 – 19 Hen. 2 | 
| Buddhist calendar | 1716 | 
| Burmese calendar | 534 | 
| Byzantine calendar | 6680–6681 | 
| Chinese calendar | 辛卯年 (Metal Rabbit) 3868 or 3808 — to — 壬辰年 (Water Dragon) 3869 or 3809 | 
| Coptic calendar | 888–889 | 
| Discordian calendar | 2338 | 
| Ethiopian calendar | 1164–1165 | 
| Hebrew calendar | 4932–4933 | 
| Hindu calendars | |
| - Vikram Samvat | 1228–1229 | 
| - Shaka Samvat | 1093–1094 | 
| - Kali Yuga | 4272–4273 | 
| Holocene calendar | 11172 | 
| Igbo calendar | 172–173 | 
| Iranian calendar | 550–551 | 
| Islamic calendar | 567–568 | 
| Japanese calendar | Jōan 2 (承安2年) | 
| Javanese calendar | 1079–1080 | 
| Julian calendar | 1172 MCLXXII | 
| Korean calendar | 3505 | 
| Minguo calendar | 740 before ROC 民前740年 | 
| Nanakshahi calendar | −296 | 
| Seleucid era | 1483/1484 AG | 
| Thai solar calendar | 1714–1715 | 
Year 1172 (MCLXXII) was a leap year starting on Saturday (link will display the full calendar) of the Julian calendar.