Nicolas Kitsikis (Greek: ????? ??ts????; Nafplio, August 14, 1887 – July 26, 1978, Athens), was a top civil engineer of 20th century Greece, and father of Beata Maria Panagopoulos (Kitsikis), Elsa Schmid-Kitsikis and Dimitri Kitsikis.
He served as professor and rector of the Athens Polytechnic School, was named doctor honoris causa of the Technical University of Berlin, became a member of the Greek Parliament and Senator during the Interbellum, and joined the EAM-ELAS resistance movement against the German occupation of Greece in 1941-1944.
At the liberation of Greece in 1944, he joined the Greek Communist Party and became President of the Greek-Soviet Association in 1945, as well as initiating in 1955, with his wife, Beata Kitsikis, a Communist feminist fighter, the Greece-People's China Association.