Plessner

• Clementine Plessner, née Folkmann, Jewish Austrian actress
• Helmuth Plessner, German philosopher and sociologist of Jewish descent
• Abraham Plessner, Jewish Polish-Russian mathematician

  Plesner

• Yohanan Plesner, Israeli politician
• The Plesner Fragment, a parchment page from c. 1275

  Pleß

• Helmut Pleß was a highly decorated Leutnant in the Luftwaffe during World War II, and a recipient of the Knight's Cross of the Iron Cross.
• A mountain in Germany.

  Platz