| Centuries: | 3rd century · 4th century · 5th century |
| Decades: | 300s 310s 320s 330s 340s 350s 360s |
| Years: | 335 336 337 338 339 340 341 |
| 338 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 338 CCCXXXVIII |
| Ab urbe condita | 1091 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1506 – -1505 |
| Bengali calendar | -255 |
| Berber calendar | 1288 |
| Buddhist calendar | 882 |
| Burmese calendar | -300 |
| Byzantine calendar | 5846 – 5847 |
| Chinese calendar | 丁酉年十一月廿四日 (2974/3034-11-24) — to —
戊戌年十二月初四日(2975/3035-12-4) |
| Coptic calendar | 54 – 55 |
| Ethiopian calendar | 330 – 331 |
| Hebrew calendar | 4098 – 4099 |
| Hindu calendars | |
| - Bikram Samwat | 394 – 395 |
| - Shaka Samvat | 260 – 261 |
| - Kali Yuga | 3439 – 3440 |
| Holocene calendar | 10338 |
| Iranian calendar | 284 BP – 283 BP |
| Islamic calendar | 293 BH – 292 BH |
| Japanese calendar | |
| Korean calendar | 2671 |
| Thai solar calendar | 881 |