| Sumsk | |
| Icao: | XLLM |
| Type: | Military |
| Operator: | Soviet Air Force(?) |
| Location: | Volosovo |
| Elevation-F: | 299 |
| Elevation-M: | 91 |
Sumsk is an air base in Leningrad Oblast, Russia located 28 km southwest of Volosovo. It is an abandoned 1960s-era airfield, listed as a major aerodrome on a 1974 Department of Defense Global Navigation Chart No. 3 as having jet facilities. The geometrics now barely visible on Google Earth.