| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 791 by topic |
|---|
| Leaders |
| Categories |
| Gregorian calendar | 791 DCCXCI |
| Ab urbe condita | 1544 |
| Armenian calendar | 240 ԹՎ ՄԽ |
| Assyrian calendar | 5541 |
| Balinese saka calendar | 712–713 |
| Bengali calendar | 198 |
| Berber calendar | 1741 |
| Buddhist calendar | 1335 |
| Burmese calendar | 153 |
| Byzantine calendar | 6299–6300 |
| Chinese calendar | 庚午年 (Metal Horse) 3488 or 3281 — to — 辛未年 (Metal Goat) 3489 or 3282 |
| Coptic calendar | 507–508 |
| Discordian calendar | 1957 |
| Ethiopian calendar | 783–784 |
| Hebrew calendar | 4551–4552 |
| Hindu calendars | |
| - Vikram Samvat | 847–848 |
| - Shaka Samvat | 712–713 |
| - Kali Yuga | 3891–3892 |
| Holocene calendar | 10791 |
| Iranian calendar | 169–170 |
| Islamic calendar | 174–175 |
| Japanese calendar | Enryaku 10 (延暦１０年) |
| Javanese calendar | 686–687 |
| Julian calendar | 791 DCCXCI |
| Korean calendar | 3124 |
| Minguo calendar | 1121 before ROC 民前1121年 |
| Nanakshahi calendar | −677 |
| Seleucid era | 1102/1103 AG |
| Thai solar calendar | 1333–1334 |
| Tibetan calendar | 阳金马年 (male Iron-Horse) 917 or 536 or −236 — to — 阴金羊年 (female Iron-Goat) 918 or 537 or −235 |
Year 791 (DCCXCI) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. The denomination 791 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.