Mikołaj Firlej
Mikołaj Firlej may refer to several members of the Firlej family:
- Mikołaj Firlej (died 1526), hetman, voiode of Sandomierz
- Mikołaj Firlej (d. 1588), voivode of Lublin
- Mikołaj Firlej (died 1601), voivode of Kraków, Grand Marshal of the Crown
- Mikołaj Firlej (1588–1635), voivode of Sandomierz