| Herb: | Świerczek |
| Battlecry: | - |
| Alternative: | - |
| Mention: | 1427 |
| Families: | 22 names altogether: Arciuszkiewicz, Bazarewski, Kadron, Kijewski, Krajkowski, Kraykowski, Kupiatycki, Orzek, Radziewski, Radziowski, Refkowski, Rewko, Rewkowski, Rewnowski, Rodomański, Rondomański, Straczan, Streczan, Strękowski, Świerczek, Świerczewski, Zwysłowski |
| Towns: | none |
Świerczek is a Polish coat of arms. It was used by several szlachta families in the times of the Polish–Lithuanian Commonwealth.
Notable bearers of this Coat of Arms include: