Ocheyedan Township is a township in Osceola County, Iowa, United States.[1] References [1]U.S. Geological Survey Geographic Names Information System: Ocheyedan Township, Osceola County, Iowa 43.3877°N 95.5646°W / 43.3877; -95.5646 This article about the geography of Osceola County, Iowa is a stub. You can help Wikipedia by expanding it.vteWikiwand - on Seamless Wikipedia browsing. On steroids.