Lioré et Olivier LeO 21
| Lioré et Olivier LéO 21 | |
|---|---|
| Role | Biplane airliner | 
| National origin | France | 
| Manufacturer | Lioré et Olivier | 
| First flight | 1926 | 
The Lioré et Olivier LéO 21 was a 1920s French biplane airliner and later military transport based on the earlier LéO 20 night bomber.