Athanasoulas or Athanassoulas () is a Greek family name. It is a patronymic derived from the Greek male given name Athanasios (Αθανάσιος: "immortal"), the genitive case form Athanasoula (Αθανασούλα) being used by female name bearers. Notable people with this name include:

Ioannis Athanasoulas (born 1987), Greek basketball player Lia Athanassoula, (born 1948), Greek astronomer Lambros Athanassoulas (born 1976), Greek rally driver Georgios Athanasoulas, (born 2001), Greek

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