| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Wabash | city | Ohio | United States | 40.55 | -84.75 | 849 | |
| Wacker Heights | city | Ohio | United States | 39.74 | -82.58 | 898 | |
| Waco | city | Ohio | United States | 40.78 | -81.35 | 1099 | |
| Wade | city | Ohio | United States | 39.44 | -81.17 | 830 | |
| Wadsworth | city | Ohio | United States | 41.03 | -81.73 | 1049 | |
| Wadsworth Trailer Park | city | Ohio | United States | 41.03 | -81.70 | 1049 | |
| Waggoner Chase | city | Ohio | United States | 40.01 | -82.78 | 1030 | |
| Waggoner Park | city | Ohio | United States | 39.99 | -82.78 | 1023 | |
| Waggoner Ripple (historical) | city | Ohio | United States | 38.71 | -83.44 | 830 | |
| Waggoner Trace | city | Ohio | United States | 40.01 | -82.79 | 1013 | |
| Waggoner Woods | city | Ohio | United States | 40.00 | -82.79 | 994 | |
| Wagon Wheel Mobile Home Park | city | Ohio | United States | 39.75 | -83.24 | 898 | |
| Wagram | city | Ohio | United States | 39.96 | -82.73 | 1023 | |
| Wahanaker | city | Ohio | United States | 39.59 | -81.06 | 1000 | |
| Wahlsburg | city | Ohio | United States | 38.91 | -83.90 | 912 | |
| Wainwright | city | Ohio | United States | 39.12 | -82.49 | 830 | |
| Wainwright | city | Ohio | United States | 40.42 | -81.43 | 908 | |
| Waite Hill | city | Ohio | United States | 41.62 | -81.38 | 830 | |
| Wakatomika | city | Ohio | United States | 40.20 | -82.05 | 830 | |
| Wakatomika (historical) | city | Ohio | United States | 40.12 | -82.01 | 830 | |
| Wakefield | city | Ohio | United States | 38.97 | -83.02 | 830 | |
| Wakefield | city | Ohio | United States | 40.14 | -84.61 | 1020 | |
| Wakeman | city | Ohio | United States | 41.25 | -82.40 | 830 | |
| Walbridge | city | Ohio | United States | 41.59 | -83.49 | 830 | |
| Walden Bluffs | city | Ohio | United States | 39.90 | -83.07 | 830 | |
| Waldo | city | Ohio | United States | 40.46 | -83.08 | 898 | |
| Wales Corners | city | Ohio | United States | 41.32 | -82.90 | 830 | |
| Walhonding | city | Ohio | United States | 40.36 | -82.15 | 915 | |
| Walhonding | city | Ohio | United States | 39.90 | -81.50 | 908 | |
| Walker Woods | city | Ohio | United States | 40.16 | -82.98 | 898 | |
| Walkers | city | Ohio | United States | 40.62 | -80.62 | 830 | |
| Wallace Heights | city | Ohio | United States | 40.46 | -80.63 | 1013 | |
| Wallace Mills | city | Ohio | United States | 38.86 | -82.80 | 830 | |
| Walling Corners | city | Ohio | United States | 41.35 | -81.68 | 1049 | |
| Wallopsburg | city | Ohio | United States | 39.35 | -83.76 | 1099 | |
| Walnut | city | Ohio | United States | 39.71 | -82.85 | 830 | |
| Walnut Creek | city | Ohio | United States | 40.54 | -81.72 | 1095 | |
| Walnut Creek | city | Ohio | United States | 40.22 | -82.87 | 948 | |
| Walnut Grove | city | Ohio | United States | 40.72 | -83.62 | 905 | |
| Walnut Grove | city | Ohio | United States | 40.43 | -83.62 | 1145 | |
| Walnut Grove Estates | city | Ohio | United States | 40.18 | -82.92 | 908 | |
| Walnut Grove Mobile Home Park | city | Ohio | United States | 41.59 | -84.44 | 830 | |
| Walnut Hill (historical) | city | Ohio | United States | 41.25 | -80.52 | 1072 | |
| Walnut Hills | city | Ohio | United States | 39.97 | -83.81 | 997 | |
| Walnut Hills | city | Ohio | United States | 40.78 | -81.50 | 1079 | |
| Walnut Hills | city | Ohio | United States | 39.13 | -84.48 | 830 | |
| Walnut Hills | city | Ohio | United States | 39.75 | -84.17 | 843 | |
| Walnut Hills | city | Ohio | United States | 40.98 | -81.46 | 1102 | |
| Walnut Hills Mobile Home Park | city | Ohio | United States | 41.60 | -83.49 | 830 | |
| Walnut Park | city | Ohio | United States | 38.41 | -82.52 | 830 | |
| Walnut Woods | city | Ohio | United States | 40.18 | -82.95 | 898 | |
| Walser | city | Ohio | United States | 39.91 | -82.35 | 898 | |
| Walton | city | Ohio | United States | 40.64 | -83.77 | 967 | |
| Walton Hills | city | Ohio | United States | 41.37 | -81.56 | 961 | |
| Walton Mobile Home Court | city | Ohio | United States | 40.73 | -84.08 | 895 | |
| Wammes Mobile Home Park | city | Ohio | United States | 40.34 | -83.76 | 1204 | |
| Wamsley | city | Ohio | United States | 38.83 | -83.28 | 990 | |
| Wapakoneta | city | Ohio | United States | 40.57 | -84.19 | 898 | |
| Ward (historical) | city | Ohio | United States | 39.50 | -81.15 | 997 | |
| Warder Park | city | Ohio | United States | 39.93 | -83.78 | 1010 | |
| Wards (historical) | city | Ohio | United States | 41.10 | -84.07 | 830 | |
| Wardwood Acres | city | Ohio | United States | 39.24 | -84.59 | 859 | |
| Warner | city | Ohio | United States | 39.56 | -81.42 | 830 | |
| Warnock | city | Ohio | United States | 40.02 | -80.94 | 1095 | |
| Warren | city | Ohio | United States | 41.24 | -80.82 | 892 | |
| Warren Smith Trailer Park | city | Ohio | United States | 38.72 | -83.82 | 830 | |
| Warrensburg | city | Ohio | United States | 40.31 | -83.17 | 898 | |
| Warrensville | city | Ohio | United States | 41.44 | -81.52 | 1089 | |
| Warrensville Heights | city | Ohio | United States | 41.44 | -81.54 | 1049 | |
| Warrenton | city | Ohio | United States | 40.19 | -80.68 | 830 | |
| Warrentown | city | Ohio | United States | 40.07 | -81.49 | 997 | |
| Warsaw | city | Ohio | United States | 40.34 | -82.01 | 869 | |
| Warsaw Junction | city | Ohio | United States | 40.33 | -82.01 | 1003 | |
| Warwick | city | Ohio | United States | 40.92 | -81.64 | 997 | |
| Warwickshire | city | Ohio | United States | 39.42 | -84.56 | 830 | |
| Washington C.H. | city | Ohio | United States | 39.54 | -83.44 | 994 | |
| Washington Court House | city | Ohio | United States | 39.54 | -83.44 | 994 | |
| Washington Hall | city | Ohio | United States | 40.57 | -81.04 | 1118 | |
| Washington Knoll | city | Ohio | United States | 39.84 | -82.81 | 830 | |
| Washington Meadows | city | Ohio | United States | 39.58 | -82.89 | 862 | |
| Washington Mills | city | Ohio | United States | 39.65 | -84.05 | 830 | |
| Washington Oaks | city | Ohio | United States | 39.54 | -83.43 | 994 | |
| Washingtonville | city | Ohio | United States | 40.90 | -80.76 | 1095 | |
| Wassie (historical) | city | Ohio | United States | 41.35 | -80.90 | 898 | |
| Watch Farm Acres | city | Ohio | United States | 39.06 | -84.38 | 830 | |
| Watch Hill | city | Ohio | United States | 39.06 | -84.37 | 830 | |
| Waterford | city | Ohio | United States | 39.54 | -81.64 | 830 | |
| Waterford | city | Ohio | United States | 40.54 | -82.62 | 1197 | |
| Waterford Crossing | city | Ohio | United States | 41.29 | -81.85 | 974 | |
| Waterford Glen | city | Ohio | United States | 40.81 | -82.97 | 997 | |
| Waterloo | city | Ohio | United States | 39.84 | -82.78 | 830 | |
| Waterloo | city | Ohio | United States | 40.52 | -81.07 | 1099 | |
| Waterloo | city | Ohio | United States | 38.70 | -82.47 | 830 | |
| Waterside | city | Ohio | United States | 40.86 | -81.51 | 1092 | |
| Waterston | city | Ohio | United States | 40.06 | -82.83 | 997 | |
| Watertown | city | Ohio | United States | 39.47 | -81.63 | 830 | |
| Waterville | city | Ohio | United States | 41.50 | -83.72 | 830 | |
| Watheys | city | Ohio | United States | 40.65 | -81.02 | 1072 | |
| Watkins | city | Ohio | United States | 40.21 | -83.25 | 951 | |
| Watson | city | Ohio | United States | 41.19 | -83.11 | 830 | |
| Wattsville | city | Ohio | United States | 40.57 | -80.93 | 1115 | |
| Wauseon | city | Ohio | United States | 41.55 | -84.14 | 830 | |
| Waverly | city | Ohio | United States | 39.13 | -82.99 | 830 | |
| Waverly City | city | Ohio | United States | 39.13 | -82.99 | 830 | |
| Waverly Estates | city | Ohio | United States | 39.13 | -82.97 | 830 | |
| Waverly Gables | city | Ohio | United States | 39.12 | -83.01 | 830 | |
| Waverly Heights | city | Ohio | United States | 39.13 | -82.98 | 830 | |
| Waverly Mobile Home Park | city | Ohio | United States | 39.11 | -82.99 | 830 | |
| Waverly Place | city | Ohio | United States | 39.12 | -82.99 | 830 | |
| Waverly Place | city | Ohio | United States | 40.16 | -82.96 | 898 | |
| Way | city | Ohio | United States | 39.64 | -81.18 | 997 | |
| Wayland | city | Ohio | United States | 41.16 | -81.07 | 961 | |
| Wayne | city | Ohio | United States | 41.53 | -80.67 | 1056 | |
| Wayne | city | Ohio | United States | 41.30 | -83.47 | 830 | |
| Wayne Lakes Park | city | Ohio | United States | 40.02 | -84.66 | 1095 | |
| Waynesburg | city | Ohio | United States | 40.67 | -81.26 | 1174 | |
| Waynesburg | city | Ohio | United States | 40.96 | -82.79 | 990 | |
| Waynesfield | city | Ohio | United States | 40.60 | -83.98 | 997 | |
| Waynesville | city | Ohio | United States | 39.53 | -84.09 | 830 | |
| Waynetta Mobile Home Park | city | Ohio | United States | 39.70 | -83.97 | 849 | |
| Wayside Mobile Home Park | city | Ohio | United States | 40.37 | -83.77 | 1200 |