| Centuries: | 3rd century · 4th century · 5th century |
| Decades: | 310s 320s 330s 340s 350s 360s 370s |
| Years: | 343 344 345 346 347 348 349 |
| 346 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 346 CCCXLVI |
| Ab urbe condita | 1099 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1498 – -1497 |
| Bengali calendar | -247 |
| Berber calendar | 1296 |
| Buddhist calendar | 890 |
| Burmese calendar | -292 |
| Byzantine calendar | 5854 – 5855 |
| Chinese calendar | 乙巳年十一月廿二日 (2982/3042-11-22) — to —
丙午年十二月初二日(2983/3043-12-2) |
| Coptic calendar | 62 – 63 |
| Ethiopian calendar | 338 – 339 |
| Hebrew calendar | 4106 – 4107 |
| Hindu calendars | |
| - Bikram Samwat | 402 – 403 |
| - Shaka Samvat | 268 – 269 |
| - Kali Yuga | 3447 – 3448 |
| Holocene calendar | 10346 |
| Iranian calendar | 276 BP – 275 BP |
| Islamic calendar | 285 BH – 283 BH |
| Japanese calendar | |
| Korean calendar | 2679 |
| Thai solar calendar | 889 |