| Millennium: | 2nd millennium | 
|---|---|
| Centuries: | |
| Decades: | |
| Years: | 
| 1144 by topic | |
| Leaders | |
| Political entities - State leaders - Religious leaders | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Art and literature | |
| 1144 in poetry | |
| Gregorian calendar | 1144 MCXLIV | 
| Ab urbe condita | 1897 | 
| Armenian calendar | 593 ԹՎ ՇՂԳ | 
| Assyrian calendar | 5894 | 
| Bengali calendar | 551 | 
| Berber calendar | 2094 | 
| English Regnal year | 9 Ste. 1 – 10 Ste. 1 | 
| Buddhist calendar | 1688 | 
| Burmese calendar | 506 | 
| Byzantine calendar | 6652–6653 | 
| Chinese calendar | 癸亥年 (Water Pig) 3840 or 3780 — to — 甲子年 (Wood Rat) 3841 or 3781 | 
| Coptic calendar | 860–861 | 
| Discordian calendar | 2310 | 
| Ethiopian calendar | 1136–1137 | 
| Hebrew calendar | 4904–4905 | 
| Hindu calendars | |
| - Vikram Samvat | 1200–1201 | 
| - Shaka Samvat | 1065–1066 | 
| - Kali Yuga | 4244–4245 | 
| Holocene calendar | 11144 | 
| Igbo calendar | 144–145 | 
| Iranian calendar | 522–523 | 
| Islamic calendar | 538–539 | 
| Japanese calendar | Kōji 3 / Ten'yō 1 (天養元年) | 
| Javanese calendar | 1050–1051 | 
| Julian calendar | 1144 MCXLIV | 
| Korean calendar | 3477 | 
| Minguo calendar | 768 before ROC 民前768年 | 
| Nanakshahi calendar | −324 | 
| Seleucid era | 1455/1456 AG | 
| Thai solar calendar | 1686–1687 | 
Year 1144 (MCXLIV) was a leap year starting on Saturday (link will display the full calendar) of the Julian calendar.