| Johann Lasi | |
|---|---|
| Born | 1890 Kać, Bács-Bodrog, Hungary, Austria-Hungary (now Serbia) |
| Died | Unknown |
| Allegiance | Austro-Hungary |
| Service/branch | Flying service |
| Rank | Stabfeldwebel |
| Unit | Flik 6 |
| Awards | Medal for Bravery |
Stabfeldwebel Johann Lasi (born 1890, date of death unknown) was a World War I flying ace credited with five aerial victories on a single day, while acting as an observer for Julius Arigi.