791
| 791 in altris calendaris | |
| Calendari gregorian | 791 |
| Ab urbe condita | 1544 |
| Calendari armen | 240 |
| Calendari cinês | 3487 — 3488 |
| Calendari ebraic | 4550 — 4551 |
| Calendari hindu - Vikram Samvat - Shaka Samvat - Kali Yuga |
846 — 847 713 — 714 3892 — 3893 |
| Calendari iranian | 169 — 170 |
| Calendari islamic | 211 — 212 |
| Calendari runic | 1041 |