1580
| Years | 
|---|
| Millennium | 
| 2nd millennium | 
| Centuries | 
| Decades | 
| Years | 
| 1580 by topic | 
|---|
| Arts and science | 
| Leaders | 
| 
 | 
| Birth and death categories | 
| Births – Deaths | 
| Establishments and disestablishments categories | 
| Establishments – Disestablishments | 
| Works category | 
| 
 | 
| Gregorian calendar | 1580 MDLXXX | 
| Ab urbe condita | 2333 | 
| Armenian calendar | 1029 ԹՎ ՌԻԹ | 
| Assyrian calendar | 6330 | 
| Balinese saka calendar | 1501–1502 | 
| Bengali calendar | 986–987 | 
| Berber calendar | 2530 | 
| English Regnal year | 22 Eliz. 1 – 23 Eliz. 1 | 
| Buddhist calendar | 2124 | 
| Burmese calendar | 942 | 
| Byzantine calendar | 7088–7089 | 
| Chinese calendar | 己卯年 (Earth Rabbit) 4277 or 4070 — to — 庚辰年 (Metal Dragon) 4278 or 4071 | 
| Coptic calendar | 1296–1297 | 
| Discordian calendar | 2746 | 
| Ethiopian calendar | 1572–1573 | 
| Hebrew calendar | 5340–5341 | 
| Hindu calendars | |
| - Vikram Samvat | 1636–1637 | 
| - Shaka Samvat | 1501–1502 | 
| - Kali Yuga | 4680–4681 | 
| Holocene calendar | 11580 | 
| Igbo calendar | 580–581 | 
| Iranian calendar | 958–959 | 
| Islamic calendar | 987–988 | 
| Japanese calendar | Tenshō 8 (天正8年) | 
| Javanese calendar | 1499–1500 | 
| Julian calendar | 1580 MDLXXX | 
| Korean calendar | 3913 | 
| Minguo calendar | 332 before ROC 民前332年 | 
| Nanakshahi calendar | 112 | 
| Thai solar calendar | 2122–2123 | 
| Tibetan calendar | 阴土兔年 (female Earth-Rabbit) 1706 or 1325 or 553 — to — 阳金龙年 (male Iron-Dragon) 1707 or 1326 or 554 | 
1580 (MDLXXX) was a leap year starting on Friday of the Julian calendar.