Berzsenyi Dániel Secondary School (Hungarian: Berzsenyi Dániel Gimnázium) is one of the leading secondary schools in Hungary. The current building located in the 13th district of Budapest. The previous one was in the downtown of the city.

Notable alumni include Mihály Károlyi, former prime minister and president of Hungary, poets Miklós Radnóti and Frigyes Karinthy, Hungarian-American businessman György Soros and Olympic champion swimmer Alfréd Hajós.

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• Mihály Károlyi, politician, former prime minister and president of Hungary
• Miklós Radnóti, poet
• Frigyes Karinthy, author, playwright, poet and journalist
• Alfréd Hajós, Olympic champion swimmer
• George Soros, businessman, investor, and philanthropist
• Tom Lantos, American politician
• André Kostolany, speculator
• Dennis Gabor, Nobel Prize-winning physicist and mechanical engineer
• George Klein Hungarian–Swedish microbiologist
• George Pólya, mathematician
• Bence Szabolcsi, music historian
• Victor Jacobi, operetta composer
• György Szepesi, radio personality, journalist and sports executive
• Tibor Szanyi, politician
• Bence Tordai, politician
• Gusztáv Rados, mathematician
• Gábor Tardos, mathematician
• György Sárközi, poet
• Jenő Heltai, poet
• Zsófia Szamosi, actress
• Judit Hernádi, actress
• Zsuzsa Koncz, singer
• István Eörsi, writer, novelist and poet
• Gábor Darvas, composer and musicologist
• Marcel Grossmann, mathematician
• Gabor Carelli, classical tenor
• Donát Bánki, mechanical engineer
• Emanuel Beke, mathematician
• Péter Zollman, scientist, engineer and inventor

• List of notable secondary schools in Hungary

• Website (in Hungarian)