Waldburg-Sonnenburg

Infobox Former Country
native_name = "Grafschaft Waldburg-Sonnenburg"
conventional_long_name = County of Waldburg-Sonnenburg
common_name = Waldburg-Sonnenburg|
continent = Europe
region = Alps
country = Germany
era = Middle Ages
status = Vassal
empire = Holy Roman Empire
government_type = Principality|
year_start = 1424
year_end = 1511|
event_start = Partitioned from Waldburg
date_start =
event_end = Annexed by Austria
date_end = |
p1 = Waldburg
image_p1 =
s1 = Archduchy of Austria
flag_s1 = Flag of the Habsburg Monarchy.svg|



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image_map_caption = |
capital = Sonnenburg
latd= |latm= |latNS= |longd= |longm= |longEW=|
national_motto =
national_anthem =
common_languages = Alemannic German
religion =
currency = |
footnotes =

Waldburg-Sonnenburg was a County located in southeastern Baden-Württemberg, Germany, located around Sonnenburg, Tyrol. Waldburg-Sonnenburg was a partition of Waldburg and was annexed by the Archduchy of Austria in 1511.