• Poznań
  Poznan
  Poznań is a city on the Warta river in west-central Poland, with a population of 556,022 in June 2009. It is among the oldest cities in Poland, and was one of the most important centres in the early Polish state, whose first rulers were buried at Poznań's cathedral. It is sometimes claimed to be...
  
  , Poland (German: Posen)
• Grand Duchy of Posen, autonomous province of Prussia, 1815–1848
• Province of Posen
  Province of Posen
  The Province of Posen was a province of Prussia from 1848–1918 and as such part of the German Empire from 1871 to 1918. The area was about 29,000 km2....
  
  , Prussian province, 1848–1918
• Posen (region), the southern part of the Province of Posen
• Posen-West Prussia
  Posen-West Prussia
  The border province of historical period Posen-West Prussia was a province of the Free State of Prussia. The capital was Schneidemühl . The province had an area of 7,695 km², and was located within present-day Poland....
  
  , German province, 1922–1938
• Reichsgau Posen, occupied in 1939, annexed and directly incorporated into the German Reich

• Posen, Illinois
  Posen, Illinois
  Posen is a village in Cook County, Illinois, United States. Posen is the German-language name for the western Polish city of Poznań. The population was 4,730 at the 2000 census.-Geography:Posen is located at ....
  
  
• Posen, Michigan
  Posen, Michigan
  Posen is a village in Presque Isle County of the U.S. state of Michigan. As of the 2000 census, the village population was 292. The village is located within Posen Township....
  
  
• Posen Township, Michigan
  Posen Township, Michigan
  Posen Township is a civil township of Presque Isle County in the U.S. state of Michigan. The population was 959, at the 2000 census, 61.3% of which report Polish ancestry, a higher percentage than any other location in the United States...
  
  
• Posen Township, Minnesota
  Posen Township, Minnesota
  Posen Township is a township in Yellow Medicine County, Minnesota, United States. The population was 234 at the 2000 census.-Geography:According to the United States Census Bureau, the township has a total area of 36.1 square miles , of which, 35.1 square miles of it is land and...
  
  

• Posen Conference
  Posen Conference
  The Posen Conference was a meeting attended by Reichsführer Heinrich Himmler, high ranking German Nazi Party officials and Gauleiters on October 6, 1943 in the city of Posen in Reichsgau Posen...
  
   and Posen speeches delivered by Heinrich Himmler in 1943
• SMS Posen
  SMS Posen
  SMS Posen "SMS" stands for "Seiner Majestät Schiff", or "His Majesty's Ship" was one of four battleships in the , the first dreadnoughts built for the German Imperial Navy...
  
  , a German dreadnought, 1908–1922

Family name

• Stephen Posen (born 1939), an American painter, recipient of a Guggenheim Fellowship in 1986
• Zac Posen
  Zac Posen
  - Early life :Posen was raised in the SoHo neighborhood of lower Manhattan, the son of artist Stephen Posen and corporate lawyer Susan Posen. His interest in fashion design started early, and as a child he would steal yarmulkes from his grandparents' synagogue to make ball dresses for dolls...
  
  (born 1980), an American fashion designer