| Country: | POL |
| Type: | DK |
| Route: | 81 |
| Length Km: | 60 |
| Regions: | Silesian Voivodeship |
| Cities: | Katowice, Mikołów, Łaziska Górne, Orzesze, Żory, Skoczów |
| Maint: | GDDKiA |
National road 81 (Polish: Droga krajowa nr 81) is a route belonging to the Polish national road network. The highway connects Katowice with Skoczów, the whole stretch lies within Silesian Voivodeship.
In 1985 the numbering system was reorganized. The route from Katowice to Skoczów was numbered as DK 93 until 2000,[1] after which it was renumbered to DK 81 (the section from Skoczów to Wisła is now DW 941).