Jan "Ptaszyn" Wróblewski (27 March 1936 – 7 May 2024) was a Polish jazz musician, composer and arranger. He played the tenor and baritone saxophones.

Wróblewski began his musical career in 1956 at the first Sopot Jazz Festival in Krzysztof Komeda's group. In 1958, he became the first Polish jazz musician to perform at the Newport Jazz Festival as a member of the International Youth Band. He toured around the world and for a decade, beginning in 1958, he directed the Polish Radio Jazz Studio. He was associated with Third Stream.

Wróblewski also hosted the DJ of Europe's longest running jazz program, broadcast weekly by the Polskie Radio Program III from 1970.

Wróblewski died on 7 May 2024, at the age of 88.