Muzeum i Instytut Zoologii PAN is a zoological museum in Warsaw, Poland.

The museum was founded in 1819 as a zoological cabinet within the Royal University of Warsaw.

The early development was headed by Feliks Paweł Jarocki who was followed in 1862 by Władysław Taczanowski.

In 1890 the collection was managed under Russian control by Nikolai Nasonov and from 1906 by Jakow Szczełkanovtsov (until 1915).

In 1952, the museum became part of the Institute of Zoology of the Polish Academy of Sciences.