| Millennium: | 2nd millennium |
|---|---|
| Centuries: | 17th century – 18th century – 19th century |
| Decades: | 1720s 1730s 1740s – 1750s – 1760s 1770s 1780s |
| Years: | 1752 1753 1754 – 1755 – 1756 1757 1758 |
| Gregorian calendar | 1755 MDCCLV |
| Ab urbe condita | 2508 |
| Armenian calendar | 1204 ԹՎ ՌՄԴ |
| Assyrian calendar | 6505 |
| Balinese saka calendar | 1676–1677 |
| Bengali calendar | 1162 |
| Berber calendar | 2705 |
| British Regnal year | 28 Geo. 2 – 29 Geo. 2 |
| Buddhist calendar | 2299 |
| Burmese calendar | 1117 |
| Byzantine calendar | 7263–7264 |
| Chinese calendar | 甲戌年 (Wood Dog) 4451 or 4391 — to — 乙亥年 (Wood Pig) 4452 or 4392 |
| Coptic calendar | 1471–1472 |
| Discordian calendar | 2921 |
| Ethiopian calendar | 1747–1748 |
| Hebrew calendar | 5515–5516 |
| Hindu calendars | |
| - Vikram Samvat | 1811–1812 |
| - Shaka Samvat | 1676–1677 |
| - Kali Yuga | 4855–4856 |
| Holocene calendar | 11755 |
| Igbo calendar | 755–756 |
| Iranian calendar | 1133–1134 |
| Islamic calendar | 1168–1169 |
| Japanese calendar | Hōreki 5 (宝暦５年) |
| Javanese calendar | 1680–1681 |
| Julian calendar | Gregorian minus 11 days |
| Korean calendar | 4088 |
| Minguo calendar | 157 before ROC 民前157年 |
| Nanakshahi calendar | 287 |
| Thai solar calendar | 2297–2298 |
| Tibetan calendar | 阳木狗年 (male Wood-Dog) 1881 or 1500 or 728 — to — 阴木猪年 (female Wood-Pig) 1882 or 1501 or 729 |
1755 (MDCCLV) was a common year starting on Wednesday of the Gregorian calendar and a common year starting on Sunday of the Julian calendar, the 1755th year of the Common Era (CE) and Anno Domini (AD) designations, the 755th year of the 2nd millennium, the 55th year of the 18th century, and the 6th year of the 1750s decade. As of the start of 1755, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.