Europium(III) selenide is an inorganic compound with the chemical formula Eu2Se3.

It is one of the selenides of europium.

[1] It can be obtained by the reaction of selenium and europium at high temperature.

[2] It co-melts with germanium diselenide to form Eu2GeSe5 and Eu2Ge2Se7.

[3] It reacts with uranium and uranium diselenide at high temperature to obtain EuU2Se5.