1149
| Years | 
|---|
| Millennium | 
| 2nd millennium | 
| Centuries | 
| Decades | 
| Years | 
| 1149 by topic | 
|---|
| Leaders | 
| 
 | 
| Birth and death categories | 
| Births – Deaths | 
| Establishments and disestablishments categories | 
| Establishments – Disestablishments | 
| Art and literature | 
| 1149 in poetry | 
| Gregorian calendar | 1149 MCXLIX | 
| Ab urbe condita | 1902 | 
| Armenian calendar | 598 ԹՎ ՇՂԸ | 
| Assyrian calendar | 5899 | 
| Balinese saka calendar | 1070–1071 | 
| Bengali calendar | 555–556 | 
| Berber calendar | 2099 | 
| English Regnal year | 14 Ste. 1 – 15 Ste. 1 | 
| Buddhist calendar | 1693 | 
| Burmese calendar | 511 | 
| Byzantine calendar | 6657–6658 | 
| Chinese calendar | 戊辰年 (Earth Dragon) 3846 or 3639 — to — 己巳年 (Earth Snake) 3847 or 3640 | 
| Coptic calendar | 865–866 | 
| Discordian calendar | 2315 | 
| Ethiopian calendar | 1141–1142 | 
| Hebrew calendar | 4909–4910 | 
| Hindu calendars | |
| - Vikram Samvat | 1205–1206 | 
| - Shaka Samvat | 1070–1071 | 
| - Kali Yuga | 4249–4250 | 
| Holocene calendar | 11149 | 
| Igbo calendar | 149–150 | 
| Iranian calendar | 527–528 | 
| Islamic calendar | 543–544 | 
| Japanese calendar | Kyūan 5 (久安5年) | 
| Javanese calendar | 1055–1056 | 
| Julian calendar | 1149 MCXLIX | 
| Korean calendar | 3482 | 
| Minguo calendar | 763 before ROC 民前763年 | 
| Nanakshahi calendar | −319 | 
| Seleucid era | 1460/1461 AG | 
| Thai solar calendar | 1691–1692 | 
| Tibetan calendar | 阳土龙年 (male Earth-Dragon) 1275 or 894 or 122 — to — 阴土蛇年 (female Earth-Snake) 1276 or 895 or 123 | 
Year 1149 (MCXLIX) was a common year starting on Saturday of the Julian calendar.