| Gregorian calendar | AD 85 LXXXV |
| Ab urbe condita | 838 |
| Assyrian calendar | 4835 |
| Balinese saka calendar | 6–7 |
| Bengali calendar | −508 |
| Berber calendar | 1035 |
| Buddhist calendar | 629 |
| Burmese calendar | −553 |
| Byzantine calendar | 5593–5594 |
| Chinese calendar | 甲申年 (Wood Monkey) 2781 or 2721 — to — 乙酉年 (Wood Rooster) 2782 or 2722 |
| Coptic calendar | −199 – −198 |
| Discordian calendar | 1251 |
| Ethiopian calendar | 77–78 |
| Hebrew calendar | 3845–3846 |
| Hindu calendars | |
| - Vikram Samvat | 141–142 |
| - Shaka Samvat | 6–7 |
| - Kali Yuga | 3185–3186 |
| Holocene calendar | 10085 |
| Iranian calendar | 537 BP – 536 BP |
| Islamic calendar | 554 BH – 552 BH |
| Javanese calendar | N/A |
| Julian calendar | AD 85 LXXXV |
| Korean calendar | 2418 |
| Minguo calendar | 1827 before ROC 民前1827年 |
| Nanakshahi calendar | −1383 |
| Seleucid era | 396/397 AG |
| Thai solar calendar | 627–628 |
| Tibetan calendar | 阳木猴年 (male Wood-Monkey) 211 or −170 or −942 — to — 阴木鸡年 (female Wood-Rooster) 212 or −169 or −941 |
85 (LXXXV) was a common year starting on Saturday of the Julian calendar, the 85th year of the Common Era (CE) and Anno Domini (AD) designations, the 985th year of the 1st millennium, the 85th year of the 1st century, and the 6th year of the 80s decade. As of the start of 85, the Gregorian calendar was 2 days behind the Julian calendar, which was the dominant calendar of the time.