Piddubny

Piddubny, Piddubnyi, or Poddubny is a surname. Notable people with the surname include:
 * Dmytro Piddubnyi (born 2000), Ukrainian footballer
 * Igor Piddubny (born 1965), Ukrainian journalist
 * Maryna Piddubna (born 1998), Ukrainian Paralympic swimmer
 * Volodymyr Piddubnyy, Ukrainian Paralympic athlete
 * Aleksandr Poddubny (born 1960), Kyrgyzstani fencer
 * Evgeniy Poddubny (born 1983), Russian war correspondent and propagandist
 * Ivan Poddubny (1871–1949), Soviet wrestler
 * Viktor Poddubny (born 1965), Soviet judoka
 * Walt Poddubny (1960–2009), Canadian ice hockey player