| Millennium: | 1st millennium BC |
|---|---|
| Centuries: | 3rd century BC – 2nd century BC – 1st century BC |
| Decades: | 140s BC 130s BC 120s BC – 110s BC – 100s BC 90s BC 80s BC |
| Years: | 118 BC 117 BC 116 BC – 115 BC – 114 BC 113 BC 112 BC |
| 115 BC by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 115 BC |
| Ab urbe condita | 639 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1958 – -1957 |
| Bengali calendar | -707 |
| Berber calendar | 836 |
| Buddhist calendar | 430 |
| Burmese calendar | -752 |
| Byzantine calendar | 5394 – 5395 |
| Chinese calendar | [[Sexagenary cycle|]]年 (2522/2582) — to —
[[Sexagenary cycle|]]年(2523/2583) |
| Coptic calendar | -398 – -397 |
| Ethiopian calendar | -122 – -121 |
| Hebrew calendar | 3646 – 3647 |
| Hindu calendars | |
| - Bikram Samwat | -58 – -57 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 2987 – 2988 |
| Holocene calendar | 9886 |
| Iranian calendar | 736 BP – 735 BP |
| Islamic calendar | 759 BH – 758 BH |
| Japanese calendar | |
| Korean calendar | 2219 |
| Thai solar calendar | 429 |
115 BC was a year in the second century BC.