1166
| Years | 
|---|
| Millennium | 
| 2nd millennium | 
| Centuries | 
| Decades | 
| Years | 
| 1166 by topic | 
|---|
| Leaders | 
| 
 | 
| Birth and death categories | 
| Births – Deaths | 
| Establishments and disestablishments categories | 
| Establishments – Disestablishments | 
| Art and literature | 
| 1166 in poetry | 
| Gregorian calendar | 1166 MCLXVI | 
| Ab urbe condita | 1919 | 
| Armenian calendar | 615 ԹՎ ՈԺԵ | 
| Assyrian calendar | 5916 | 
| Balinese saka calendar | 1087–1088 | 
| Bengali calendar | 572–573 | 
| Berber calendar | 2116 | 
| English Regnal year | 12 Hen. 2 – 13 Hen. 2 | 
| Buddhist calendar | 1710 | 
| Burmese calendar | 528 | 
| Byzantine calendar | 6674–6675 | 
| Chinese calendar | 乙酉年 (Wood Rooster) 3863 or 3656 — to — 丙戌年 (Fire Dog) 3864 or 3657 | 
| Coptic calendar | 882–883 | 
| Discordian calendar | 2332 | 
| Ethiopian calendar | 1158–1159 | 
| Hebrew calendar | 4926–4927 | 
| Hindu calendars | |
| - Vikram Samvat | 1222–1223 | 
| - Shaka Samvat | 1087–1088 | 
| - Kali Yuga | 4266–4267 | 
| Holocene calendar | 11166 | 
| Igbo calendar | 166–167 | 
| Iranian calendar | 544–545 | 
| Islamic calendar | 561–562 | 
| Japanese calendar | Eiman 2 / Nin'an 1 (仁安元年) | 
| Javanese calendar | 1073–1074 | 
| Julian calendar | 1166 MCLXVI | 
| Korean calendar | 3499 | 
| Minguo calendar | 746 before ROC 民前746年 | 
| Nanakshahi calendar | −302 | 
| Seleucid era | 1477/1478 AG | 
| Thai solar calendar | 1708–1709 | 
| Tibetan calendar | 阴木鸡年 (female Wood-Rooster) 1292 or 911 or 139 — to — 阳火狗年 (male Fire-Dog) 1293 or 912 or 140 | 
Year 1166 (MCLXVI) was a common year starting on Saturday of the Julian calendar.