Template:Wp-Ivan Olshansky

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Ivan Olshanski (Olshansky) (or , , died in or after 1402) was a member of the Lithuanian princely Alšėniškiai (Holshansky) family. Historians only know his father's name, Algimantas. Ivan was a faithful companion of Vytautas the Great, Grand Duke of Lithuania. They both were married to daughters of Sudimantas of Eišiškės. Ivan's daughter Juliana became the third wife of Vytautas in 1418. His granddaughter Sophia became the fourth wife of King Władysław Jagiełło in 1424.

His patrimony consisted of Halshany, Iwye, Hlusk, Porechye and others.