List of Famous people born in First Czechoslovak Republic

Martina Hingis is a Swiss former professional tennis player. She spent a total of 209 weeks as the singles world No. 1 and 90 weeks as doubles world No. 1, holding both No. 1 rankings simultaneously for 29 weeks. She won five Grand Slam singles titles, thirteen Grand Slam women's doubles titles, winning a calendar-year doubles Grand Slam in 1998, and seven Grand Slam mixed doubles titles; for a combined total of twenty-five major titles. In addition, she won the season-ending WTA Finals two times in singles and three times in doubles, an Olympic silver medal, and a record seventeen Tier I singles titles.

Adriana Sklenaříková is a Slovak fashion model and actress. She is a former Guinness record holder for the longest legs among female models.

Edita Gruberová is a Slovak coloratura soprano. She enjoyed huge success internationally in roles such as Zerbinetta in Ariadne auf Naxos and Queen of the Night in The Magic Flute. In her later career, she explored heavier roles in the Italian bel canto repertoire, such as the title role in Donizetti's Lucia di Lammermoor and Elisabetta in Roberto Devereux, and Elvira in Bellini's I puritani.

Dávid Julián Dobrík is a Slovak-born YouTube personality. He found early success on the video sharing platform Vine, before starting his vlog on his YouTube channel in 2015. Dobrik is known for being the leader of the popular YouTube ensemble The Vlog Squad, which features prominently in his vlogs and comprises rotating selections of his friend group. As of September 2020, Dobrik's vlog channel had accumulated 18 million subscribers and 7.7 billion views. The channel was the fifth-most viewed creator channel on YouTube in 2019, with 2.4 billion views that year. In March 2020, he was called "Gen Z's Jimmy Fallon" by The Wall Street Journal.

Andrej Babiš is a Czech politician serving as the Prime Minister of the Czech Republic since December 2017 and the founding leader of ANO 2011 since 2012. He previously served as Minister of Finance and Deputy Prime Minister from 2014 to 2017. Prior to entering politics, he was a businessman.

Miroslava "Mirka" Federer is a Swiss former professional tennis player.

Miroslav Žbirka was a Slovak pop music singer and songwriter. He performed in Slovak, Czech, and English.

Ivan Reitman, is a Czechoslovak-Canadian film and television director, producer and screenwriter. He is best known for his comedy work, especially in the 1980s and 1990s. He is the owner of The Montecito Picture Company, founded in 1998.

Zdeno Chára is a Slovak professional ice hockey defenceman for the Washington Capitals of the National Hockey League (NHL). He previously played for the New York Islanders, Ottawa Senators, and Boston Bruins.

Peter Sagan is a Slovak professional road bicycle racer, who currently rides for UCI WorldTeam Bora–Hansgrohe. Sagan had a successful junior cyclo-cross and mountain bike racing career, winning the Junior Mountain Bike World Championship in 2008, before moving to road racing.