830
| Years | 
|---|
| Millennium | 
| 1st millennium | 
| Centuries | 
| Decades | 
| Years | 
| 830 by topic | 
|---|
| Leaders | 
| Categories | 
| 
 | 
| Gregorian calendar | 830 DCCCXXX | 
| Ab urbe condita | 1583 | 
| Armenian calendar | 279 ԹՎ ՄՀԹ | 
| Assyrian calendar | 5580 | 
| Balinese saka calendar | 751–752 | 
| Bengali calendar | 236–237 | 
| Berber calendar | 1780 | 
| Buddhist calendar | 1374 | 
| Burmese calendar | 192 | 
| Byzantine calendar | 6338–6339 | 
| Chinese calendar | 己酉年 (Earth Rooster) 3527 or 3320 — to — 庚戌年 (Metal Dog) 3528 or 3321 | 
| Coptic calendar | 546–547 | 
| Discordian calendar | 1996 | 
| Ethiopian calendar | 822–823 | 
| Hebrew calendar | 4590–4591 | 
| Hindu calendars | |
| - Vikram Samvat | 886–887 | 
| - Shaka Samvat | 751–752 | 
| - Kali Yuga | 3930–3931 | 
| Holocene calendar | 10830 | 
| Iranian calendar | 208–209 | 
| Islamic calendar | 214–215 | 
| Japanese calendar | Tenchō 7 (天長7年) | 
| Javanese calendar | 726–727 | 
| Julian calendar | 830 DCCCXXX | 
| Korean calendar | 3163 | 
| Minguo calendar | 1082 before ROC 民前1082年 | 
| Nanakshahi calendar | −638 | 
| Seleucid era | 1141/1142 AG | 
| Thai solar calendar | 1372–1373 | 
| Tibetan calendar | 阴土鸡年 (female Earth-Rooster) 956 or 575 or −197 — to — 阳金狗年 (male Iron-Dog) 957 or 576 or −196 | 
Year 830 (DCCCXXX) was a common year starting on Saturday of the Julian calendar.