Places beginning with DE in Ohio, United States
- Deacon Creek Corner
- Deadman Crossing
- Deadmans (historical)
- Deandale
- Dean (historical)
- Deardoffs Mills (historical)
- Deavertown
- Decatur
- Decatur, Township of
- Decatur, Township of
- Decaturville
- Decker
- DeCliff
- Decrow Corners
- Deems (historical)
- Deer Creek, Township of
- Deer Creek, Township of
- Deer Creek Village (historical)
- Deerfield
- Deerfield, Township of
- Deerfield, Township of
- Deerfield, Township of
- Deerfield, Township of
- Deering
- Deer Lick (historical)
- Deer Park
- Deer Park, City of
- Deersville
- Defiance
- Defiance County
- Defiance, Township of
- DeForest
- DeForest Junction
- De Graff
- Dekalb
- Delano
- Delaware
- Delaware County
- Delaware Meadows (subdivision)
- Delaware, Township of
- Delaware, Township of
- Delaware, Township of
- Delhi
- Delhi Hills
- Delhi, Township of
- Delightful
- Delisle
- Dell
- Dellroy
- Delmont
- Delphi
- Delphos
- Delta
- Delta Heights (subdivision)
- Deluxe Mobile Home Park (subdivision)
- Delvin (historical)
- Denmark
- Denmark Center
- Denmark (historical)
- Denmark, Township of
- Dennis
- Dennison
- Denson
- Dent
- Denver
- Denver
- Depew
- Derby
- Derthick
- Derwent
- Deshler
- Deucher
- Deunquat
- Devil Town
- Devola
- Dewey (historical)
- Deweyville
- Dexter
- Dexter City
- Deyarmonville