Comenius University, Bratislava
- Country: Slovakia
- Type: Education
- Website: uniba.sk
- Update: 05-02
Comenius University in Bratislava (Slovak: Univerzita Komenského v Bratislave; English: Comenius University in Bratislava) is a public university in Slovakia founded in 1919, located in Bratislava, and is one of the largest in Slovakia, with approximately 30,000 students.