Semizbughy (Kazakh: Семізбұғы) is a mountain massif in Bukhar-Zhyrau District, Karaganda Region, Kazakhstan.

Semizhbugy mining village is located on the western side, at the foot of the mountain.

[1][2] Semizbughy is a small massif, part of the Kazakh Uplands.

It has a gentle and smooth relief and rises above the southern shore of lake Rudnichnoye, to the north of the northwestern slopes of the Ayr Mountains.

[3][1][2] The slopes of mount Semizbughy are covered with low vegetation, including sedges, alpine oatgrass and fescue.