Cleveland Township is one of nine townships in Whitley County, Indiana, United States. As of the 2020 census, its population was 3,324 (down from 3,398 at 2010) and it contained 1,398 housing units.

According to the 2010 census, the township has a total area of 49.04 square miles (127.0 km), all land. The Eel River flows westward through the township. The streams of Clear Creek, Spring Creek, Sugar Creek and Sycamore Creek run through this township. Lakes in this township include T Lake.

• South Whitley

• Collamer at 41°04′33″N 85°39′53″W / 41.0758786°N 85.6647057°W / 41.0758786; -85.6647057
• Luther at 41°00′10″N 85°34′26″W / 41.0028235°N 85.5738687°W / 41.0028235; -85.5738687

(This list is based on USGS data and may include former settlements.)

• Richland Township (north)
• Columbia Township (northeast)
• Washington Township (east)
• Clear Creek Township, Huntington County (southeast)
• Warren Township, Huntington County (south)
• Chester Township, Wabash County (southwest)
• Jackson Township, Kosciusko County (west)
• Monroe Township, Kosciusko County (northwest)

The township contains one cemetery, Cleveland.

• Indiana State Road 5
• Indiana State Road 14
• Indiana State Road 105
• Indiana State Road 205

• Mishler Landing Strip

Cleveland Township residents may obtain a free library card from the South Whitley Community Public Library.

• "Cleveland Township, Whitley County, Indiana". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved September 24, 2009.
• United States Census Bureau cartographic boundary files

• Indiana Township Association
• United Township Association of Indiana