Dimitrios Sisinis (Greek: Δημήτριος Σισίνης) was a Hellenic Army general.

Born in Gastouni in about 1861, he studied at the Hellenic Army Academy, graduating in 1884 as an Artillery Second Lieutenant.

In 1917 he was dismissed from the Army as a royalist during the National Schism, being re-instated in 1920 with the anti-Venizelist electoral victory.

He finally retired from service on 12 October 1921 (O.S.)

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