Kreis Schildberg (Polish: Powiat [[Ostrzeszów|ostrzeszowski]]) was a county in the southern administrative district of Posen, in the Prussian province of Posen. It presently lies in the south-eastern part of Polish region of Greater Poland Voivodeship.
Kreis Schildberg was part of the military command (German: Bezirkskommando) in Posen at Ostrowo.
The main court (German: Landgericht) was in Ostrowo, with lower courts (German: Amtsgericht) in Schildberg.
In 1905, these civil registry offices (German: Standesamt) served the following towns in Kreis Schildberg:
In 1905, these police districts (German: Polizeidistrikt) served towns in Kreis Schildberg:
In 1905, these Catholic parish churches served towns in Kreis Schildberg:
In 1905, Protestant parish churches served towns in Kreis Schildberg: