| Millennium: | 1st millennium BC |
|---|---|
| Centuries: | 2nd century BC – 1st century BC – 1st century |
| Decades: | 100s BC 90s BC 80s BC – 70s BC – 60s BC 50s BC 40s BC |
| Years: | 75 BC 74 BC 73 BC – 72 BC – 71 BC 70 BC 69 BC |
| 72 BC by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 72 BC |
| Ab urbe condita | 682 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1915 – -1914 |
| Bengali calendar | -664 |
| Berber calendar | 879 |
| Buddhist calendar | 473 |
| Burmese calendar | -709 |
| Byzantine calendar | 5437 – 5438 |
| Chinese calendar | [[Sexagenary cycle|]]年 (2565/2625) — to —
[[Sexagenary cycle|]]年(2566/2626) |
| Coptic calendar | -355 – -354 |
| Ethiopian calendar | -79 – -78 |
| Hebrew calendar | 3689 – 3690 |
| Hindu calendars | |
| - Bikram Samwat | -15 – -14 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 3030 – 3031 |
| Holocene calendar | 9929 |
| Iranian calendar | 693 BP – 692 BP |
| Islamic calendar | 714 BH – 713 BH |
| Japanese calendar | |
| Korean calendar | 2262 |
| Thai solar calendar | 472 |
Year 72 BC was a year of the pre-Julian calendar.