| Centuries: | 2nd century - 3rd century - 4th century |
| Decades: | 190s 200s 210s - 220s - 230s 240s 250s |
| Years: | 222 223 224 - 225 - 226 227 228 |
| 225 by topic | |
| Politics | |
| State leaders - Sovereign states | |
| Birth and death categories | |
| Births - Deaths | |
| Establishment and disestablishment categories | |
| Establishments - Disestablishments | |
| Gregorian calendar | 225 CCXXV |
| Ab urbe condita | 978 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1619 – -1618 |
| Berber calendar | 1175 |
| Buddhist calendar | 769 |
| Burmese calendar | -413 |
| Chinese calendar | 2861/2921-12-5 (甲辰年十二月初五日) — to —
2862/2922-11-14(乙巳年十一月十四日) |
| Coptic calendar | -59 – -58 |
| Ethiopian calendar | 217 – 218 |
| Hebrew calendar | 3985 – 3986 |
| Hindu calendars | |
| - Vikram Samvat | 280 – 281 |
| - Shaka Samvat | 147 – 148 |
| - Kali Yuga | 3326 – 3327 |
| Holocene calendar | 10225 |
| Iranian calendar | 397 BP – 396 BP |
| Islamic calendar | 409 BH – 408 BH |
| Japanese calendar | |
| Korean calendar | 2558 |
| Thai solar calendar | 768 |