Stransky, Stránský or Stranski (Bulgarian: Странски) is a Slavic masculine surname, its feminine counterpart is Stranska or Stránská. Notable people with the surname include:
Adolf Stránský (1855–1931), Czechoslovak politician Georgi Stranski (1847–1904), Bulgarian physician and politician Ivan Stranski (1897–1979), Bulgarian physical chemist Jan Stránský (born 1990), Czech ice hockey player Jaroslav Stránský (1899–1945), Czech ice hockey player Jiří Stránský (1931–2019), Czech author, playwright, and translator Joel Stransky (born 1967), South African rugby union rugby player Josef Stránský (1872–1936), Czech conductor, composer, and art collector Mara Stransky (born 1999), Australian sailor Matěj Stránský (born 1993), Czech ice hockey player Vladan Stransky (born 1973), Australian ice hockey player Vojtěch Stránský (born 2003), Czech footballer