Puiatu may refer to several places in Estonia:

• Puiatu, Lääne County, village in Ridala Parish, Lääne County
• Puiatu, Imavere Parish, village in Imavere Parish, Järva County
• Puiatu, Paide Parish, village in Paide Parish, Järva County
• Puiatu, Jõgeva County, village in Põltsamaa Parish, Jõgeva County
• Puiatu, Viljandi County, village in Pärsti Parish, Viljandi County

• Hermann of Altach
• Hermann of Dorpat
• Hermann of Luxembourg
• Hermann of Minden
• Hermann of Tournai
• Hermann of Wartberge
• Hermann Ohlicher
• Hermann Oncken
• Hermann Opdenhoff
• Hermann-Otto Fegelein
• Hermann Otto I of Limburg
• Hermann Ouedraogo
• Hermann Ouédraogo
• Hermann Pabst
• Hermann Palka
• Hermann Park/Rice U (METRORail station)
• Hermann Park/Rice University (METRORail station)
• Hermann Park/Rice University Station
• Hermann Paul Mueller
• Hermann Paul Muller
• Hermann Pfeiffer
• Hermann Pister
• Hermann Plaskuda
• Hermann Plocher
• Hermann Ploddemann