| 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: | 22 BC 21 BC 20 BC – 19 BC – 18 BC 17 BC 16 BC |
| 19 BC by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 19 BC |
| Ab urbe condita | 735 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1862 – -1861 |
| Bengali calendar | -611 |
| Berber calendar | 932 |
| Buddhist calendar | 526 |
| Burmese calendar | -656 |
| Byzantine calendar | 5490 – 5491 |
| Chinese calendar | 辛丑年 (2618/2678) — to —
壬寅年(2619/2679) |
| Coptic calendar | -302 – -301 |
| Ethiopian calendar | -26 – -25 |
| Hebrew calendar | 3742 – 3743 |
| Hindu calendars | |
| - Bikram Samwat | 38 – 39 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 3083 – 3084 |
| Holocene calendar | 9982 |
| Iranian calendar | 640 BP – 639 BP |
| Islamic calendar | 660 BH – 659 BH |
| Japanese calendar | |
| Korean calendar | 2315 |
| Thai solar calendar | 525 |
Year 19 BC was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar.