1339
| Years | 
|---|
| Millennium | 
| 2nd millennium | 
| Centuries | 
| Decades | 
| Years | 
| 1339 by topic | 
|---|
| Leaders | 
| 
 | 
| Birth and death categories | 
| Births – Deaths | 
| Establishments and disestablishments categories | 
| Establishments – Disestablishments | 
| Art and literature | 
| 1339 in poetry | 
| Gregorian calendar | 1339 MCCCXXXIX | 
| Ab urbe condita | 2092 | 
| Armenian calendar | 788 ԹՎ ՉՁԸ | 
| Assyrian calendar | 6089 | 
| Balinese saka calendar | 1260–1261 | 
| Bengali calendar | 745–746 | 
| Berber calendar | 2289 | 
| English Regnal year | 12 Edw. 3 – 13 Edw. 3 | 
| Buddhist calendar | 1883 | 
| Burmese calendar | 701 | 
| Byzantine calendar | 6847–6848 | 
| Chinese calendar | 戊寅年 (Earth Tiger) 4036 or 3829 — to — 己卯年 (Earth Rabbit) 4037 or 3830 | 
| Coptic calendar | 1055–1056 | 
| Discordian calendar | 2505 | 
| Ethiopian calendar | 1331–1332 | 
| Hebrew calendar | 5099–5100 | 
| Hindu calendars | |
| - Vikram Samvat | 1395–1396 | 
| - Shaka Samvat | 1260–1261 | 
| - Kali Yuga | 4439–4440 | 
| Holocene calendar | 11339 | 
| Igbo calendar | 339–340 | 
| Iranian calendar | 717–718 | 
| Islamic calendar | 739–740 | 
| Japanese calendar | Ryakuō 2 (暦応2年) | 
| Javanese calendar | 1251–1252 | 
| Julian calendar | 1339 MCCCXXXIX | 
| Korean calendar | 3672 | 
| Minguo calendar | 573 before ROC 民前573年 | 
| Nanakshahi calendar | −129 | 
| Thai solar calendar | 1881–1882 | 
| Tibetan calendar | 阳土虎年 (male Earth-Tiger) 1465 or 1084 or 312 — to — 阴土兔年 (female Earth-Rabbit) 1466 or 1085 or 313 | 
Year 1339 (MCCCXXXIX) was a common year starting on Friday of the Julian calendar.