List of Famous people born in Slovakia, First Czechoslovak Republic

Norbert Gombos, occasionally spelt Norbert Gomboš, is a Slovak professional tennis player of Hungarian descent playing on the ATP Challenger Tour and a member of the Slovakia Davis Cup team. He achieved a career-high ATP singles ranking of World No. 80 on 2 October 2017.

Lucia Popp was a Slovak operatic soprano. She began her career as a soubrette, and later moved into the light-lyric and lyric coloratura soprano repertoire and then the lighter Richard Strauss and Wagner operas. Her career included performances at Vienna State Opera, the Metropolitan Opera, Covent Garden, and La Scala. Popp was also a highly regarded recitalist and lieder singer.

Géza Herczegh was a Hungarian judge and academic. In 1990, Herczegh was appointed to the Constitutional Court of Hungary. From 1993 to 2003, he was unanimously elected by the United Nations to one of the International Court of Justice, succeeding Manfred Lachs. He filled the remaining year of Lachs' nine year term and was re-elected to a full term in 1994. In 2003, he was succeeded by Peter Tomka. His daughter, Judge Anita Herczegh, is married to János Áder, former President of Hungary. His successor at the ICJ, Tomka, described him as "a dedicated and open-minded judge interested in finding areas of consensus."

Samuel Slovák is a Slovak former footballer who played as an attacking midfielder and currently serves as an assistant coach of Slovakia.

Eugen Fried was a Czechoslovak communist who played a leading role in the French Communist Party in the 1930s and early 1940s as the representative of the Communist International. He ensured that the party leaders were loyal to Joseph Stalin and followed the instructions of Moscow. He was ruthless but discreet, and stayed out of the public eye.

Géza von Radványi was a Hungarian film director, cinematographer, producer and writer.

Iván Darvas was a Hungarian actor.

Francis II Rákóczi was a Hungarian nobleman and leader of the Hungarian uprising against the Habsburgs in 1703-11 as the prince of the Estates Confederated for Liberty of the Kingdom of Hungary. He was also Prince of Transylvania, an Imperial Prince, and a member of the Order of the Golden Fleece. Today he is considered a national hero in Hungary.

Róbert Vittek is a Slovak former footballer who played as a forward.

Livia Klausová née Mištinová is a Slovak-born Czech economist who was the First Lady of the Czech Republic from 2003 to 2013 as wife of the President Václav Klaus. Since 2013 she has served as the Czech Republic Ambassador to Slovakia. Her father was an active fascist during the WWII.