Danko is a surname. Literally it is a diminutive of Daniel in some Slavic languages. Notable people with this surname include:
Andrej Danko (born 1974), Slovak lawyer and politician, Speaker of the National Council of the Slovak Republic Béla Dankó, Hungarian parliamentarian Betty Danko (1903–1979), Hollywood stuntwoman and stunt double Danny Danko, American writer and photographer Gary Danko, American chef Harold Danko (born 1947), American jazz pianist James Danko, American academic administrator John-Paul Danko, Canadian politician Rick Danko (1942–1999), Canadian musician, singer and songwriter, member of The Band Rozália Danková (1920–2017), Slovak Roman Catholic nun Stanislav Danko (born 1994), Slovak footballer Taras Danko (born 1980), Ukrainian wrestler Terry Danko (born 1949), Canadian musician and songwriter
Fictional Emile Danko, character on the television series Heroes Ivan Danko, fictional Soviet officer in the film Red Heat