| Millennium: | 2nd millennium |
|---|---|
| Centuries: | 19th century – 20th century – 21st century |
| Decades: | 1900s 1910s 1920s – 1930s – 1940s 1950s 1960s |
| Years: | 1935 1936 1937 – 1938 – 1939 1940 1941 |
| Gregorian calendar | 1938 MCMXXXVIII |
| Ab urbe condita | 2691 |
| Armenian calendar | 1387 ԹՎ ՌՅՁԷ |
| Assyrian calendar | 6688 |
| Bahá'í calendar | 94–95 |
| Balinese saka calendar | 1859–1860 |
| Bengali calendar | 1345 |
| Berber calendar | 2888 |
| British Regnal year | 2 Geo. 6 – 3 Geo. 6 |
| Buddhist calendar | 2482 |
| Burmese calendar | 1300 |
| Byzantine calendar | 7446–7447 |
| Chinese calendar | 丁丑年 (Fire Ox) 4634 or 4574 — to — 戊寅年 (Earth Tiger) 4635 or 4575 |
| Coptic calendar | 1654–1655 |
| Discordian calendar | 3104 |
| Ethiopian calendar | 1930–1931 |
| Hebrew calendar | 5698–5699 |
| Hindu calendars | |
| - Vikram Samvat | 1994–1995 |
| - Shaka Samvat | 1859–1860 |
| - Kali Yuga | 5038–5039 |
| Holocene calendar | 11938 |
| Igbo calendar | 938–939 |
| Iranian calendar | 1316–1317 |
| Islamic calendar | 1356–1357 |
| Japanese calendar | Shōwa 13 (昭和１３年) |
| Javanese calendar | 1868–1869 |
| Juche calendar | 27 |
| Julian calendar | Gregorian minus 13 days |
| Korean calendar | 4271 |
| Minguo calendar | ROC 27 民國27年 |
| Nanakshahi calendar | 470 |
| Thai solar calendar | 2480–2481 |
| Tibetan calendar | 阴火牛年 (female Fire-Ox) 2064 or 1683 or 911 — to — 阳土虎年 (male Earth-Tiger) 2065 or 1684 or 912 |
1938 (MCMXXXVIII) was a common year starting on Saturday in the Gregorian calendar, the 938th year of the 2nd millennium, the 38th year of the 20th century, and the 9th year of the 1930s decade