| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 801 by topic |
|---|
| Leaders |
| Categories |
| Gregorian calendar | 801 DCCCI |
| Ab urbe condita | 1554 |
| Armenian calendar | 250 ԹՎ ՄԾ |
| Assyrian calendar | 5551 |
| Balinese saka calendar | 722–723 |
| Bengali calendar | 208 |
| Berber calendar | 1751 |
| Buddhist calendar | 1345 |
| Burmese calendar | 163 |
| Byzantine calendar | 6309–6310 |
| Chinese calendar | 庚辰年 (Metal Dragon) 3498 or 3291 — to — 辛巳年 (Metal Snake) 3499 or 3292 |
| Coptic calendar | 517–518 |
| Discordian calendar | 1967 |
| Ethiopian calendar | 793–794 |
| Hebrew calendar | 4561–4562 |
| Hindu calendars | |
| - Vikram Samvat | 857–858 |
| - Shaka Samvat | 722–723 |
| - Kali Yuga | 3901–3902 |
| Holocene calendar | 10801 |
| Iranian calendar | 179–180 |
| Islamic calendar | 184–185 |
| Japanese calendar | Enryaku 20 (延暦２０年) |
| Javanese calendar | 696–697 |
| Julian calendar | 801 DCCCI |
| Korean calendar | 3134 |
| Minguo calendar | 1111 before ROC 民前1111年 |
| Nanakshahi calendar | −667 |
| Seleucid era | 1112/1113 AG |
| Thai solar calendar | 1343–1344 |
| Tibetan calendar | 阳金龙年 (male Iron-Dragon) 927 or 546 or −226 — to — 阴金蛇年 (female Iron-Snake) 928 or 547 or −225 |
Year 801 (DCCCI) was a common year starting on Friday (link will display the full calendar) of the Julian calendar, the 801st year of the Common Era (CE) and Anno Domini (AD) designations, the 801st year of the 1st millennium, the 1st year of the 9th century, and the 2nd year of the 800s decade.