Johann Nepomuk Berger (11 April 1845, Graz – 17 October 1933) was an Austrian chess master, theorist, endgame study composer, author and editor.
In September 1870, he won the first tournament in the Austro-Hungarian Empire at Graz.
His book Theorie und Praxis der Endspiele (Theory and Practice of the Endgame) was published in 1891, revised in 1922, and supplemented in 1933.
This was the first modern comprehensive book on practical endgames, and was the standard work on endgames for decades.Berger discussed the tie-break system now called the Sonneborn–Berger system, but he did not invent it.
See Tie-breaking in Swiss system tournaments#Sonneborn–Berger for details.