Katsuyama (勝山町, Katsuyama-chō) was a town located in Maniwa District, Okayama Prefecture, Japan.

On March 31, 2005, Katsuyama, along with the town of Hokubō (from Jōbō District), and towns of Kuse, Ochiai and Yubara, and the villages of Chūka, Kawakami, Mikamo and Yatsuka (all from Maniwa District) were merged to create the city of Maniwa.

Katsuyama is famous for its bamboo basketry, originating from the town's Tsukida district,[3] and four types of baskets produced there are designated as "Traditional Japanese Crafts".

[4] Also famous is Gozenshu sake made by Katsuyama's Tsuji Honten brewery which has been in the town since the early 1800s,[5] having relocated from nearby Ochiai.

Adjoining municipalities in Okayama Prefecture: Kuse, Ochiai, Yubara, Mikamo, Hokubō, and Ōsa.