Maxfield Township is one of fourteen townships in Bremer County, Iowa, USA. As of the 2000 census, its population was 1,314.
Maxfield Township covers an area of and contains one incorporated settlement, Readlyn. According to the USGS, it contains six cemeteries: Emanuel Evangelical Lutheran, Saint Johns Lutheran, Saint Mathews Lutheran, Saint Pauls (two cemeteries of this name) and Zions.