| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Crab Creek Junction | city | Ohio | United States | 41.08 | -80.62 | 843 | |
| Crabapple | city | Ohio | United States | 39.88 | -80.99 | 1200 | |
| Crabapple | city | Ohio | United States | 40.12 | -80.95 | 1000 | |
| Crabill Road Farms | city | Ohio | United States | 39.88 | -83.77 | 1036 | |
| Crabtree | city | Ohio | United States | 38.89 | -83.10 | 830 | |
| Craig | city | Ohio | United States | 40.02 | -81.52 | 898 | |
| Craig Beach | city | Ohio | United States | 41.12 | -80.98 | 951 | |
| Craigton | city | Ohio | United States | 40.72 | -82.07 | 1003 | |
| Cranberry Prairie | city | Ohio | United States | 40.39 | -84.58 | 948 | |
| Crandall | city | Ohio | United States | 41.47 | -82.08 | 830 | |
| Crandenbrook | city | Ohio | United States | 41.54 | -83.66 | 830 | |
| Crane Creek Place | city | Ohio | United States | 41.56 | -83.43 | 830 | |
| Cranenest | city | Ohio | United States | 39.73 | -81.06 | 1000 | |
| Cranford | city | Ohio | United States | 38.44 | -82.35 | 830 | |
| Cranmer | city | Ohio | United States | 41.13 | -81.55 | 830 | |
| Craver | city | Ohio | United States | 39.14 | -84.18 | 830 | |
| Crawford | city | Ohio | United States | 40.92 | -83.34 | 830 | |
| Crawford | city | Ohio | United States | 40.30 | -80.99 | 1669 | |
| Crawford Corners | city | Ohio | United States | 41.01 | -82.05 | 948 | |
| Crawford Farms | city | Ohio | United States | 39.99 | -82.80 | 954 | |
| Crawford Mobile Home Park | city | Ohio | United States | 39.93 | -83.65 | 1099 | |
| Crayon | city | Ohio | United States | 40.20 | -83.89 | 1115 | |
| Cream City | city | Ohio | United States | 40.56 | -80.72 | 830 | |
| Creekside | city | Ohio | United States | 39.86 | -83.06 | 830 | |
| Creekside Crossing | city | Ohio | United States | 40.29 | -81.60 | 918 | |
| Creekstone | city | Ohio | United States | 40.00 | -82.78 | 1023 | |
| Creekwood Meadows | city | Ohio | United States | 41.47 | -81.93 | 830 | |
| Creola | city | Ohio | United States | 39.32 | -82.47 | 830 | |
| Crescent | city | Ohio | United States | 40.12 | -80.86 | 951 | |
| Crescent Gardens | city | Ohio | United States | 40.79 | -81.48 | 1099 | |
| Crescent Lake | city | Ohio | United States | 38.43 | -82.45 | 830 | |
| Crescentville | city | Ohio | United States | 39.30 | -84.45 | 830 | |
| Cresceus Farms | city | Ohio | United States | 41.58 | -83.44 | 830 | |
| Crestfield | city | Ohio | United States | 39.32 | -84.40 | 830 | |
| Crestlawn Village | city | Ohio | United States | 41.86 | -80.77 | 830 | |
| Crestline | city | Ohio | United States | 40.79 | -82.74 | 1145 | |
| Creston | city | Ohio | United States | 40.99 | -81.89 | 961 | |
| Crestview Park | city | Ohio | United States | 38.74 | -82.84 | 830 | |
| Crestwood Acres | city | Ohio | United States | 39.23 | -84.60 | 898 | |
| Crestwood Mobile Home Park | city | Ohio | United States | 40.76 | -84.14 | 843 | |
| Cridersville | city | Ohio | United States | 40.65 | -84.15 | 895 | |
| Cridersville Trailer Park | city | Ohio | United States | 40.65 | -84.14 | 895 | |
| Crimson | city | Ohio | United States | 40.74 | -82.40 | 1197 | |
| Crimville (historical) | city | Ohio | United States | 40.13 | -83.58 | 1181 | |
| Crissey | city | Ohio | United States | 41.61 | -83.76 | 830 | |
| Cromers | city | Ohio | United States | 41.18 | -83.21 | 830 | |
| Cromley (historical) | city | Ohio | United States | 39.70 | -82.95 | 830 | |
| Crooked Tree | city | Ohio | United States | 39.64 | -81.50 | 997 | |
| Crooksville | city | Ohio | United States | 39.77 | -82.09 | 830 | |
| Cross Creek | city | Ohio | United States | 40.01 | -83.14 | 898 | |
| Cross Keys (historical) | city | Ohio | United States | 39.59 | -81.23 | 997 | |
| Crossenville | city | Ohio | United States | 39.68 | -82.36 | 997 | |
| Crossroads | city | Ohio | United States | 40.73 | -81.57 | 997 | |
| Crosstown | city | Ohio | United States | 39.09 | -84.01 | 915 | |
| Crosswick | city | Ohio | United States | 39.54 | -84.08 | 830 | |
| Crosswoods | city | Ohio | United States | 41.60 | -83.44 | 830 | |
| Croswell | city | Ohio | United States | 41.02 | -84.20 | 830 | |
| Croton | city | Ohio | United States | 40.24 | -82.69 | 1158 | |
| Crouse Mobile Home Park | city | Ohio | United States | 39.49 | -84.57 | 830 | |
| Crow's Trailer Court | city | Ohio | United States | 40.87 | -84.60 | 830 | |
| Crown City | city | Ohio | United States | 38.59 | -82.28 | 830 | |
| Crown Point | city | Ohio | United States | 39.75 | -84.27 | 898 | |
| Crown Village Mobile Park | city | Ohio | United States | 39.80 | -84.12 | 830 | |
| Crownover Mill | city | Ohio | United States | 39.62 | -83.22 | 830 | |
| Crystal Lake Mobile Home Park | city | Ohio | United States | 40.35 | -83.04 | 898 | |
| Crystal Lake Park | city | Ohio | United States | 40.85 | -81.53 | 997 | |
| Crystal Lakes | city | Ohio | United States | 39.89 | -84.03 | 830 | |
| Crystal Lakes | city | Ohio | United States | 40.59 | -83.07 | 948 | |
| Crystal Lakes Mobile Home Park | city | Ohio | United States | 39.89 | -84.02 | 830 | |
| Crystal Park | city | Ohio | United States | 40.81 | -81.34 | 1095 | |
| Crystal Rock | city | Ohio | United States | 41.45 | -82.84 | 830 | |
| Crystal Springs | city | Ohio | United States | 40.85 | -81.53 | 997 | |
| Crystal Valley | city | Ohio | United States | 40.18 | -82.96 | 898 |