Anastasios (Tasos) Athanasiadis (Greek: Τάσος Αθανασιάδης) was a renowned Greek writer and gownsman. He was born in November 1913 in Salihli, then part of the Ottoman Empire, and passed away on 21 September 2006 in Athens, Greece.

Athanasiadis was acclaimed for his work as a novelist, essayist, and biographer, contributing significantly to Greek literature.