阿希达穆斯四世 Αρχιδαμος Δ' （活动时期前3世纪）欧里庞提德世系的第27代斯巴达国王（约前305年—前275年在位）。

阿希达穆斯四世是欧达米达斯一世之子。前294年，他在曼提尼亚战役中被马其顿国王德米特里一世（城市的征服者）击败。但由于德米特里一世听闻埃及国王托勒密二世对希腊的威胁行动而撤军，斯巴达免遭灭顶之灾。

阿希达穆斯四世的儿子欧达米达斯二世在其死后继承了王位。

Archidamus IV (Greek:Ἀρχίδαμος Δ΄) was a king of Sparta from 305 BC to c. 275 BC. He was the 23rd of the Eurypontids, the son of Eudamidas I and Arachidamia and the brother of Agesistrata, the nephew of Agis III and the grandson of Archidamus III. In 296 BC he was defeated by Demetrius I of Macedon. He was succeeded by his son Eudamidas II.