Jan Nepomuk Škroup (15 September 1811, Osice – 5 May 1892, Prague; Czech pronunciation: [?kroup]) was a Czech composer, conductor, and choirmaster.
His brother František Škroup was also a successful composer, known today as the composer of the Czech national anthem, "Kde domov muj?" ("Where is my home?").
His father, Dominik Škroup, and other brother, Ignác Škroup, were also composers.