| Herb: | Zawadzki |
| Battlecry: | This is for the knights, motto=Meum defendo alienum non peto |
| Mention: | 1358 as Ostoja, 1526 as variation: Zawadzki |
| Families: | Büthner vel Buethner, Bytner, Büthner-Zawadzki, Buethner-Zawadzki, Bytner-Zawadzki, Sawatzki, Zawacki, Zawadzki |
| Knight's Village: | https://pl.m.wikipedia.org/wiki/Zawada_(powiat_cz%C5%82uchowski) |
Zawadzki is a Polish coat of arms. It was used by several szlachta families in the times of the Polish–Lithuanian Commonwealth.