Stavros Kallergis (1865–1926) was a Greek revolutionary and socialist. He is known for organizing the first celebration of the First of May in Greece, in 1893, and being active in various socialist groups in fin de siècle Greece. Actor and KKE MP Lykourgos Kallergis was his son. He was related to Dimitrios Kallergis.
- Occupation
- member of the National Assembly, publisher, writer, socialist
- Born
- 1865
- Died
- 1926
