Wagner Township is a township in Clayton County, Iowa, United States.

It is named for John Wagner, Sr., who settled there in 1846.

[1] Wagner Township covers an area of 36.44 square miles (94.4 km2) and contains one incorporated settlement, St. Olaf.

According to the USGS, it contains nine cemeteries: Clark, Eno, Farmersburg-Wagner, Gooding, Johanningmeier, Norway, Patterson, United Brethren and Weymouth.

This article about the geography of Clayton County, Iowa is a stub.