1455
| Years | 
|---|
| Millennium | 
| 2nd millennium | 
| Centuries | 
| Decades | 
| Years | 
| 1455 by topic | 
|---|
| Arts and science | 
| Leaders | 
| 
 | 
| Birth and death categories | 
| Births – Deaths | 
| Establishments and disestablishments categories | 
| Establishments – Disestablishments | 
| Art and literature | 
| 1455 in poetry | 
| Gregorian calendar | 1455 MCDLV | 
| Ab urbe condita | 2208 | 
| Armenian calendar | 904 ԹՎ ՋԴ | 
| Assyrian calendar | 6205 | 
| Balinese saka calendar | 1376–1377 | 
| Bengali calendar | 861–862 | 
| Berber calendar | 2405 | 
| English Regnal year | 33 Hen. 6 – 34 Hen. 6 | 
| Buddhist calendar | 1999 | 
| Burmese calendar | 817 | 
| Byzantine calendar | 6963–6964 | 
| Chinese calendar | 甲戌年 (Wood Dog) 4152 or 3945 — to — 乙亥年 (Wood Pig) 4153 or 3946 | 
| Coptic calendar | 1171–1172 | 
| Discordian calendar | 2621 | 
| Ethiopian calendar | 1447–1448 | 
| Hebrew calendar | 5215–5216 | 
| Hindu calendars | |
| - Vikram Samvat | 1511–1512 | 
| - Shaka Samvat | 1376–1377 | 
| - Kali Yuga | 4555–4556 | 
| Holocene calendar | 11455 | 
| Igbo calendar | 455–456 | 
| Iranian calendar | 833–834 | 
| Islamic calendar | 859–860 | 
| Japanese calendar | Kyōtoku 4 / Kōshō 1 (康正元年) | 
| Javanese calendar | 1370–1371 | 
| Julian calendar | 1455 MCDLV | 
| Korean calendar | 3788 | 
| Minguo calendar | 457 before ROC 民前457年 | 
| Nanakshahi calendar | −13 | 
| Thai solar calendar | 1997–1998 | 
| Tibetan calendar | 阳木狗年 (male Wood-Dog) 1581 or 1200 or 428 — to — 阴木猪年 (female Wood-Pig) 1582 or 1201 or 429 | 
Year 1455 (MCDLV) was a common year starting on Wednesday (full) of the Julian calendar.