The Ottó Herman Museum is the largest museum in Miskolc, Hungary. It holds more than 600,000 artifacts. Its main focus is on archaeology, mineralogy, arts, history, and ethnography.

The museum has several buildings both in Miskolc and in Borsod-Abaúj-Zemplén county. The one near Erzsébet square in Miskolc is the oldest. It hosts the mineral collection. The main building on Görgey street was built in 1952; it holds the arts museum, library, and storerooms.

The Pannonian Sea Museum is one of the new parts of the museum, which opened in 2013.

Other exhibition sites are the Abaúj Museum at Forró, the Bodrogköz Castle Museum of Pácin, the Ferenc Kazinczy Museum of Sátoraljaújhely, the Ferenc Kazinczy Memorial Hall in Széphalom, the Gallery of Sárospatak, the Gömör Museum of Putnok, the László Holló Gallery of Putnok, the Matyó Museum of Mezőkövesd, the Agricultural Machines Museum of Mezőkövesd, the Museum of Tokaj in Tokaj, and the Zemplén Museum of Szerencs.