The Small Adzhalyk Estuary or Hryhorivsky Estuary (Ukrainian: Малий Аджалицький лиман, Григорівський лиман, romanized: Malyi Adzhalytskyi lyman, Hryhorivskyi lyman; Russian: Малый Аджалыцкий лиман, Григорьевский лиман; Turkish: Küçük Adcalik liman) is a brackish water area in southern Ukraine, located 30 kilometres (19 mi) north-east of Odesa.

In the lower part (left bank) of the estuary, the Pivdennyi Port is located there.

The estuary is connected with the sea by the navigation canal 3 km length and 14 m depth.

The length of the estuary is about 12 km, width from 300 m in upper part to 1.3 km in lower part.

This article about a location in Odesa Oblast is a stub.