Žydrūnas is a Lithuanian masculine given name and may refer to:
Žydrūnas Ilgauskas (born 1975), Lithuanian basketball player Žydrūnas Karčemarskas (born 1983), Lithuanian footballer Žydrūnas Savickas (born 1975), Lithuanian strongman Žydrūnas Savickas (cyclist) (born 1991), Lithuanian cyclist Žydrūnas Urbonas (born 1976), Lithuanian basketball player