| Millennium: | 1st millennium BC |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| Gregorian calendar | 515 BC DXIV BC |
| Ab urbe condita | 239 |
| Ancient Egypt era | XXVII dynasty, 11 |
| - Pharaoh | Darius I of Persia, 7 |
| Ancient Greek era | 66th Olympiad, year 2 |
| Assyrian calendar | 4236 |
| Bengali calendar | −1107 |
| Berber calendar | 436 |
| Buddhist calendar | 30 |
| Burmese calendar | −1152 |
| Byzantine calendar | 4994–4995 |
| Chinese calendar |
乙酉年 (Wood Rooster) 2182 or 2122 — to — 丙戌年 (Fire Dog) 2183 or 2123 |
| Coptic calendar | −798 – −797 |
| Discordian calendar | 652 |
| Ethiopian calendar | −522 – −521 |
| Hebrew calendar | 3246–3247 |
| Hindu calendars | |
| - Vikram Samvat | −458 – −457 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 2586–2587 |
| Holocene calendar | 9486 |
| Iranian calendar | 1136 BP – 1135 BP |
| Islamic calendar | 1171 BH – 1170 BH |
| Javanese calendar | N/A |
| Julian calendar | N/A |
| Korean calendar | 1819 |
| Minguo calendar | 2426 before ROC 民前2426年 |
| Nanakshahi calendar | −1982 |
| Thai solar calendar | 28–29 |
The year 515 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 239 Ab urbe condita . The denomination 515 BC for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.