Jan Ostroróg

Jan Ostroróg is the name of the following people:

• Jan Ostroróg (voivode, 1436) (1436–1501), voivode of Poznan, adviser to kings Casimir IV Jagiełło and Johann Albrecht
• Jan Ostroróg (voivode, 1565) (1565–1622), voivode of Poznan, writer, naturalist

This is a disambiguation page for differentiating between several terms identified with the same word.