| Millennium: | 1st millennium |
|---|---|
| Centuries: | 7th century – 8th century – 9th century |
| Decades: | 700s 710s 720s – 730s – 740s 750s 760s |
| Years: | 735 736 737 – 738 – 739 740 741 |
| 738 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 738 DCCXXXVIII |
| Ab urbe condita | 1491 |
| Armenian calendar | 187 ԹՎ ՃՁԷ |
| Assyrian calendar | 5488 |
| Bahá'í calendar | -1106–-1105 |
| Bengali calendar | 145 |
| Berber calendar | 1688 |
| English Regnal year | N/A |
| Buddhist calendar | 1282 |
| Burmese calendar | 100 |
| Byzantine calendar | 6246–6247 |
| Chinese calendar | 丁丑年十二月初七日 (3374/3434-12-7) — to —
戊寅年十一月十六日(3375/3435-11-16) |
| Coptic calendar | 454–455 |
| Ethiopian calendar | 730–731 |
| Hebrew calendar | 4498–4499 |
| Hindu calendars | |
| - Vikram Samvat | 794–795 |
| - Shaka Samvat | 660–661 |
| - Kali Yuga | 3839–3840 |
| Holocene calendar | 10738 |
| Iranian calendar | 116–117 |
| Islamic calendar | 120–121 |
| Japanese calendar | |
| Korean calendar | 3071 |
| Minguo calendar | 1174 before ROC 民前1174年 |
| Thai solar calendar | 1281 |
Year 738 (DCCXXXVIII) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. The denomination 738 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.