| Millennium: | 1st millennium BC |
|---|---|
| Centuries: | 2nd century BC – 1st century BC – 1st century |
| Decades: | 40s BC 30s BC 20s BC – 10s BC – 0s BC 0s 10s |
| Years: | 18 BC 17 BC 16 BC – 15 BC – 14 BC 13 BC 12 BC |
| 15 BC by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 15 BC |
| Ab urbe condita | 739 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1858 – -1857 |
| Bengali calendar | -607 |
| Berber calendar | 936 |
| Buddhist calendar | 530 |
| Burmese calendar | -652 |
| Byzantine calendar | 5494 – 5495 |
| Chinese calendar | 乙巳年 (2622/2682) — to —
丙午年(2623/2683) |
| Coptic calendar | -298 – -297 |
| Ethiopian calendar | -22 – -21 |
| Hebrew calendar | 3746 – 3747 |
| Hindu calendars | |
| - Bikram Samwat | 42 – 43 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 3087 – 3088 |
| Holocene calendar | 9986 |
| Iranian calendar | 636 BP – 635 BP |
| Islamic calendar | 656 BH – 655 BH |
| Japanese calendar | |
| Korean calendar | 2319 |
| Thai solar calendar | 529 |
Year 15 BC was a common year starting on Monday (link will display the full calendar) of the Julian calendar.