Deák
Deák or Deak may refer to:
- Dario Deak, Bosnian-American film and television actor
- Deak Evgenikos, American actress originally from New Jersey
- Edward Deak, the Roger M. Lynch Professor of Economics at Fairfield University in Fairfield, Connecticut
- Ferenc Deák, Hungarian statesman and Minister of Justice
- Ferenc Deák , Hungarian football player
- István Deák, Hungarian-born American historian, author and academic
- Jon Deak, Hungarian American double bassist and composer
- László Deák, Hungarian army officer who served in World War I and World War II
- Marcell Deák-Nagy, Hungarian sprinter who specialises in the 200 and 400 metres
- Nicholas Deak, Hungarian-American banker
- Tamás Deák , the composer and conductor for Cat City and Vízisí
