Söllner is a German surname most prevalent in northern Bavaria. It originates as a term for a social class in feudal times; a Söllner was a free farmer who did own a farmstead but no land (either leasing land or working for a landowner).
Notable people called Söllner include:
Hans Söllner (born 1955), Bavarian singer-songwriter Herbert Söllner (1935–1990), German speed skater Karl Söllner (1903-1986), German-Austrian chemist Paul Söllner (1911–1991), German rower Siegfried Söllner (1936–2019), German football player Werner Söllner (1951–2019), German writer
See also Ian Soellner (born 1969), Canadian pentathlete