Norbert Hosnyánszky (born 4 March 1984) is a retired Hungarian water polo player.

He competed at the 2008, 2012 and 2016 Olympics and won a gold medal in 2008.

[1] Hosnyánszky is married to Jazmin and has a son Zalan (2013) and a daughter Szonja (2017).

In 2008 he received the Officer's Cross of the Order of Merit of the Republic of Hungary.

In 2015 he had a neck injury in a car accident.