The Agluona is a river of Akmenė district municipality, Lithuania. It flows for 23.4 kilometres and has a basin area of 188 km2. It is a left tributary of the Vadakstis river (the Venta River basin).

The Agluona starts near Stipirkiai village and flows north-westwards. It meets the Vadakstis near Kesiai village, by the Latvian border.

By the Agluona, lies the village of Kivyliai where the Kivyliai Reservoir is located (area ).

The name Agluona comes from 'spruce tree'.

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