Last name Sonnberger (Sonnberger 
) , globally, is quite a rare surname. The last name Sonnberger is habitual in Austria, where it is quite a rare surname, Germany, where it is a rare surname, and Portugal. In absolute terms, the name is most common in Austria, Germany, and Australia. Much less frequently, Sonnberger is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Sonnberger | Austria, Australia, Brazil, Germany, Portugal |
| matěj sonnberger CZ (b. 1778) |
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| peter sonnberger Austrian politician, AT (b. 1957) |
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| gerwald sonnberger (b. 1950) |
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| reinhard sonnberger chess player (b. 1969) |
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| klaus sonnberger (b. 1961) |
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| michael sonnberger researcher |
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| marco sonnberger researcher (ORCID 0000-0002-9403-0053) |
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| matthias sonnberger |
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| mathias sonnberger |
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Mr, Anita, Aaron, Karin, Klaus, Peter, Piero, Roman, David, Garry, Anton, Georg, Lucas, Julia, Elisa, Elena, Erich, Ernst, Heinz, Horst, Franz, Laura, Irene, Aline, Simon, Ms, Ben, Eva, Sara, Alex, Anna, Karl, Pius, Ralf, Sonny, Rene, Gert, Lisa, Jana, Elke, Hans, Ines, Maria, Megan, Sanny, Ruth, and Marion