| Official Name: | Letaj |
| Other Name: | Letai |
| Settlement Type: | Village |
| Pushpin Map: | Croatia |
| Pushpin Label Position: | bottom |
| Coordinates: | 45.2631°N 14.1164°W |
| Subdivision Type: | Country |
| Subdivision Type1: | County |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Kršan |
| Area Footnotes: | [1] |
| Area Total Km2: | 5.5 |
| Elevation M: | 137 |
| Population As Of: | 2021 |
| Population Total: | 46 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 52233 Šušnjevica |
| Area Code: | 052 |
Letaj (it|Lettai; ruo|Letai) is a village in Istria County, Croatia. Administratively, it belongs to the municipality of Kršan. The village is inhabited mostly by Istro-Romanians.
According to the 2021 census, the population of Letaj was 46. It was 43 in 2011.
| Population number according to the census[2] | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1857 | 1869 | 1880 | 1890 | 1900 | 1910 | 1921 | 1931 | 1948 | 1953 | 1961 | 1971 | 1981 | 1991 | 2001 | 2011 |
| 191 | 198 | 212 | 238 | 220 | 218 | 183 | 182 | 166 | 136 | 105 | 76 | 67 | 68 | 52 | 43 |