Taldyaral (Kazakh: Талдыарал), is a lake in Akkayin District, North Kazakhstan Region, Kazakhstan.

Taldyaral is located 5 kilometers (3.1 mi) to the southeast of Smirnovo, the district capital.

Taldyaral is an endorheic lake of the Ishim river basin. It lies at the southern edge of the Ishim Plain in the Kamyshlov Log, an alignment of disconnected lakes which is the bed of ancient river Kamyshlov. With a length of over 9 kilometers (5.6 mi) Taldyaral is the largest of the lakes in the tract between lake Ulken Torangyl and Petropavl city. This stretch is roughly aligned from southwest to northeast with lake Zholdyozek 4 kilometers (2.5 mi) to the southwest and Ulken Zharma 12 kilometers (7.5 mi) to the northeast of Taldyaral.

The lake is elongated from northeast to southwest, with a narrower central part. Its lakeshore is flat and the water is saline.

Taldyaral is surrounded by steppe. The waters of the lake are encumbered by aquatic vegetation.

• List of lakes of Kazakhstan

• Hydrology and Limnology of Central Asia