Zengena Lake (Amharic: ዘንገና ሐይቅ) is a crater lake located at 10°54′50″N 36°58′00″E / 10.91389°N 36.96667°E / 10.91389; 36.96667 in the Awi Zone of the Amhara Region in Ethiopia.

It is situated between the towns of Injibara and Kessa, only 200 m from the Addis Ababa-Bahir Dar highway at an elevation of 2500 m. The diameter of the lake is roughly 1 km.

Its rim is made of unconsolidated ash deposits.

Zengena Lake is most likely a maar lake formed by volcanic explosion and collapse.

This article about a location in the Amhara Region of Ethiopia is a stub.