Ruczaj
Ruczaj is a Polish name for a place and a river:
- Ruczaj (Cracow) , locality of the city of Cracow, Lesser Poland Voivodeship
- Ruczaj (Ruciane-Nida) , village in the powiat Piski, Warmian-Masurian Voivodeship
- Ruczaj (Jezioro Nidzkie) , tributary of the Jezioro Nidzkie in the powiat Piski, Warmian-Masurian Voivodeship
See also: Ruczaj-Zaborze