Schallenberg is a German surname. Notable people with the surname include:

Schallenberg family, Austrian noble family Alexander Schallenberg (born 1969), Chancellor of Austria Wolfgang Schallenberg (1930–2023), Austrian diplomat, father of Alexander Herbert, Count of Schallenberg (1901–1974), Austrian diplomat, father of Wolfgang and grandfather of Alexander Edmund Schallenberg (1913–1999), American handball player Kolja Schallenberg (born 1984), German theatre director Ron Schallenberg (born 1998), German professional footballer

See also Schallenberg Castle, ruined castle in Austria, namesake of the noble family Schallenberg Pass, a mountain pass of Bern, Switzerland