Karl Berg (27 December 1908 – 1 September 1997) was an Austrian Catholic cleric and Archbishop of Salzburg from 1973 to 1988.

Berg was born on 27 December 1908 in the Austrian town of Radstadt.

Following his selection as Archbishop of Salzburg in 1972, he was confirmed on 9 January 1973.

[1] The anti-Wackersdorf reprocessing plant-monument on Mozartplatz (Salzburg) is, among others also dedicated to him.

His motto was Uni Trinoque Domino, which is translated from Latin as "To the One and Threefold Lord".