The Menzelya (Russian: Мензеля; Tatar: Минзәлә) is a river in Tatarstan, Russian Federation, a former left-bank tributary of the river Ik, which flows into the Nizhnekamsk Reservoir.

[1] The river's source is at the village Novy Menzelyabash [ru], Sarmanovsky District, Tatarstan.

The average sediment deposition at the river mouth per year reaches 100 millimetres (3.9 in).

The town of Menzelinsk is located near the river's mouth.

The notable landmark of the river and the town is an abandoned railway bridge, where the railway was never installed.This article related to a river in Russia is a stub.