724
| Years | 
|---|
| Millennium | 
| 1st millennium | 
| Centuries | 
| Decades | 
| Years | 
| 724 by topic | 
|---|
| Leaders | 
| Categories | 
| 
 | 
| Gregorian calendar | 724 DCCXXIV | 
| Ab urbe condita | 1477 | 
| Armenian calendar | 173 ԹՎ ՃՀԳ | 
| Assyrian calendar | 5474 | 
| Balinese saka calendar | 645–646 | 
| Bengali calendar | 130–131 | 
| Berber calendar | 1674 | 
| Buddhist calendar | 1268 | 
| Burmese calendar | 86 | 
| Byzantine calendar | 6232–6233 | 
| Chinese calendar | 癸亥年 (Water Pig) 3421 or 3214 — to — 甲子年 (Wood Rat) 3422 or 3215 | 
| Coptic calendar | 440–441 | 
| Discordian calendar | 1890 | 
| Ethiopian calendar | 716–717 | 
| Hebrew calendar | 4484–4485 | 
| Hindu calendars | |
| - Vikram Samvat | 780–781 | 
| - Shaka Samvat | 645–646 | 
| - Kali Yuga | 3824–3825 | 
| Holocene calendar | 10724 | 
| Iranian calendar | 102–103 | 
| Islamic calendar | 105–106 | 
| Japanese calendar | Yōrō 8 / Jinki 1 (神亀元年) | 
| Javanese calendar | 617–618 | 
| Julian calendar | 724 DCCXXIV | 
| Korean calendar | 3057 | 
| Minguo calendar | 1188 before ROC 民前1188年 | 
| Nanakshahi calendar | −744 | 
| Seleucid era | 1035/1036 AG | 
| Thai solar calendar | 1266–1267 | 
| Tibetan calendar | 阴水猪年 (female Water-Pig) 850 or 469 or −303 — to — 阳木鼠年 (male Wood-Rat) 851 or 470 or −302 | 
Year 724 (DCCXXIV) was a leap year starting on Saturday of the Julian calendar, the 724th year of the Common Era (CE) and Anno Domini (AD)