| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Miami Grove | city | Ohio | United States | 39.23 | -84.31 | 830 | |
| Miami Heights | city | Ohio | United States | 39.17 | -84.72 | 830 | |
| Miami Shores | city | Ohio | United States | 39.69 | -84.24 | 830 | |
| Miami Station | city | Ohio | United States | 39.22 | -84.69 | 830 | |
| Miami Villa | city | Ohio | United States | 39.85 | -84.17 | 830 | |
| Miamisburg | city | Ohio | United States | 39.64 | -84.29 | 830 | |
| Miamitown | city | Ohio | United States | 39.22 | -84.70 | 830 | |
| Miamiville | city | Ohio | United States | 39.21 | -84.30 | 830 | |
| Mid City Mobile Homes | city | Ohio | United States | 41.33 | -83.05 | 830 | |
| Middle Bass | city | Ohio | United States | 41.68 | -82.81 | 830 | |
| Middle Beaver (historical) | city | Ohio | United States | 40.73 | -80.64 | 898 | |
| Middle Point | city | Ohio | United States | 40.86 | -84.45 | 830 | |
| Middleboro | city | Ohio | United States | 39.35 | -84.04 | 898 | |
| Middlebourne | city | Ohio | United States | 40.05 | -81.34 | 1099 | |
| Middlebranch | city | Ohio | United States | 40.89 | -81.33 | 1099 | |
| Middleburg | city | Ohio | United States | 40.45 | -80.88 | 1194 | |
| Middleburg | city | Ohio | United States | 40.29 | -83.58 | 1135 | |
| Middleburg | city | Ohio | United States | 39.67 | -81.39 | 830 | |
| Middleburg Heights | city | Ohio | United States | 41.36 | -81.81 | 830 | |
| Middlebury | city | Ohio | United States | 40.85 | -84.75 | 830 | |
| Middlefield | city | Ohio | United States | 41.46 | -81.07 | 1158 | |
| Middleport | city | Ohio | United States | 39.00 | -82.05 | 830 | |
| Middleton | city | Ohio | United States | 40.84 | -80.65 | 1197 | |
| Middleton (historical) | city | Ohio | United States | 41.55 | -83.27 | 830 | |
| Middleton Corner | city | Ohio | United States | 39.58 | -83.86 | 994 | |
| Middletown | city | Ohio | United States | 40.77 | -82.79 | 1112 | |
| Middletown | city | Ohio | United States | 40.19 | -83.62 | 1256 | |
| Middletown | city | Ohio | United States | 39.52 | -84.40 | 830 | |
| Midland | city | Ohio | United States | 39.31 | -83.91 | 974 | |
| Midpoint Woods | city | Ohio | United States | 40.78 | -82.54 | 1197 | |
| Midvale | city | Ohio | United States | 40.44 | -81.37 | 895 | |
| Midway | city | Ohio | United States | 39.73 | -83.48 | 997 | |
| Midway | city | Ohio | United States | 39.12 | -82.01 | 830 | |
| Midway | city | Ohio | United States | 39.96 | -84.46 | 997 | |
| Midway | city | Ohio | United States | 40.09 | -84.21 | 898 | |
| Midway | city | Ohio | United States | 41.59 | -83.83 | 830 | |
| Midway | city | Ohio | United States | 40.94 | -81.34 | 1177 | |
| Midway | city | Ohio | United States | 40.12 | -80.91 | 898 | |
| Midway (historical) | city | Ohio | United States | 41.56 | -83.82 | 830 | |
| Midway (historical) | city | Ohio | United States | 41.28 | -84.27 | 830 | |
| Midway Mobile Home Park | city | Ohio | United States | 41.25 | -80.66 | 1167 | |
| Midway Trailer Court | city | Ohio | United States | 41.21 | -81.49 | 1013 | |
| Mifflin | city | Ohio | United States | 40.77 | -82.36 | 1112 | |
| Mifflin Cottage Area | city | Ohio | United States | 40.76 | -82.37 | 1040 | |
| Mifflinville | city | Ohio | United States | 40.04 | -82.95 | 830 | |
| Mil-mar Trailer Court | city | Ohio | United States | 40.01 | -81.07 | 1669 | |
| Milan | city | Ohio | United States | 41.30 | -82.61 | 830 | |
| Miles | city | Ohio | United States | 41.45 | -81.61 | 866 | |
| Miley Crossroads | city | Ohio | United States | 40.62 | -82.09 | 1204 | |
| Milford | city | Ohio | United States | 39.18 | -84.29 | 830 | |
| Milford Center | city | Ohio | United States | 40.18 | -83.44 | 997 | |
| Milford Estates | city | Ohio | United States | 40.21 | -83.39 | 997 | |
| Milfordton | city | Ohio | United States | 40.31 | -82.60 | 1174 | |
| Mill Creek Estates | city | Ohio | United States | 40.23 | -83.30 | 967 | |
| Mill Grove | city | Ohio | United States | 39.60 | -81.71 | 830 | |
| Mill Mobile Home Park | city | Ohio | United States | 41.37 | -83.14 | 830 | |
| Mill Rock | city | Ohio | United States | 40.80 | -80.59 | 1085 | |
| Mill Run | city | Ohio | United States | 39.95 | -82.00 | 830 | |
| Millbourne Mobile Manor | city | Ohio | United States | 40.80 | -81.83 | 1095 | |
| Millbrook | city | Ohio | United States | 40.73 | -82.01 | 872 | |
| Millbrook | city | Ohio | United States | 40.30 | -83.11 | 931 | |
| Millbury | city | Ohio | United States | 41.57 | -83.42 | 830 | |
| Millcreek Meadows | city | Ohio | United States | 40.24 | -83.35 | 997 | |
| Milledgeville | city | Ohio | United States | 39.59 | -83.59 | 997 | |
| Miller | city | Ohio | United States | 38.54 | -82.30 | 830 | |
| Miller (historical) | city | Ohio | United States | 39.57 | -82.94 | 830 | |
| Miller City | city | Ohio | United States | 41.10 | -84.13 | 830 | |
| Miller Estates | city | Ohio | United States | 38.45 | -82.36 | 830 | |
| Miller Grove | city | Ohio | United States | 40.01 | -84.46 | 1010 | |
| Miller Lakes | city | Ohio | United States | 40.82 | -81.94 | 1056 | |
| Miller Mobile Homes | city | Ohio | United States | 41.45 | -81.74 | 830 | |
| Millers (historical) | city | Ohio | United States | 39.59 | -82.79 | 1013 | |
| Millers (historical) | city | Ohio | United States | 39.83 | -83.14 | 830 | |
| Millers Corners | city | Ohio | United States | 40.60 | -81.78 | 1197 | |
| Millers Corners | city | Ohio | United States | 40.11 | -82.70 | 1197 | |
| Millers Rolling Hills Estates | city | Ohio | United States | 41.30 | -84.38 | 830 | |
| Millersburg | city | Ohio | United States | 40.55 | -81.92 | 951 | |
| Millersport | city | Ohio | United States | 39.90 | -82.53 | 898 | |
| Millerstown | city | Ohio | United States | 40.16 | -83.92 | 1099 | |
| Millersville | city | Ohio | United States | 41.31 | -83.28 | 830 | |
| Millertown | city | Ohio | United States | 39.60 | -82.10 | 898 | |
| Millfield | city | Ohio | United States | 39.43 | -82.10 | 830 | |
| Millheim | city | Ohio | United States | 41.00 | -81.44 | 1095 | |
| Milligan | city | Ohio | United States | 39.73 | -82.10 | 938 | |
| Millikin (historical) | city | Ohio | United States | 39.37 | -84.45 | 830 | |
| Millington | city | Ohio | United States | 40.02 | -83.11 | 830 | |
| Millport | city | Ohio | United States | 39.72 | -82.97 | 830 | |
| Millport | city | Ohio | United States | 40.70 | -80.89 | 1122 | |
| Mills | city | Ohio | United States | 38.85 | -82.24 | 830 | |
| Mills Village | city | Ohio | United States | 38.85 | -82.24 | 830 | |
| Millsboro | city | Ohio | United States | 40.75 | -82.64 | 1669 | |
| Millville | city | Ohio | United States | 40.91 | -80.81 | 1095 | |
| Millville | city | Ohio | United States | 39.39 | -84.65 | 830 | |
| Millwood | city | Ohio | United States | 40.40 | -82.28 | 958 | |
| Milo | city | Ohio | United States | 39.98 | -82.98 | 830 | |
| Miltomson | city | Ohio | United States | 39.32 | -84.34 | 898 | |
| Milton Center | city | Ohio | United States | 41.30 | -83.83 | 830 | |
| Miltonsburg | city | Ohio | United States | 39.83 | -81.17 | 1200 | |
| Miltonville | city | Ohio | United States | 39.50 | -84.46 | 830 | |
| Miltonville (historical) | city | Ohio | United States | 41.49 | -83.71 | 830 | |
| Mina | city | Ohio | United States | 41.45 | -84.71 | 846 | |
| Mineral | city | Ohio | United States | 39.32 | -82.26 | 830 | |
| Mineral City | city | Ohio | United States | 40.60 | -81.36 | 1072 | |
| Mineral Ridge | city | Ohio | United States | 41.14 | -80.77 | 1013 | |
| Mineral Springs | city | Ohio | United States | 38.89 | -83.33 | 830 | |
| Minersville | city | Ohio | United States | 39.02 | -81.99 | 830 | |
| Minerton | city | Ohio | United States | 39.07 | -82.40 | 830 | |
| Minerva | city | Ohio | United States | 40.73 | -81.11 | 1095 | |
| Minerva Junction | city | Ohio | United States | 40.71 | -81.15 | 1089 | |
| Minerva Park | city | Ohio | United States | 40.08 | -82.94 | 830 | |
| Mineyahta-on-the Bay | city | Ohio | United States | 41.51 | -82.74 | 830 | |
| Minford | city | Ohio | United States | 38.86 | -82.86 | 830 | |
| Mingo | city | Ohio | United States | 40.21 | -83.64 | 1669 | |
| Mingo Junction | city | Ohio | United States | 40.32 | -80.61 | 830 | |
| Minnehan Bend | city | Ohio | United States | 39.21 | -83.15 | 997 | |
| Minor's Mobile Home Park | city | Ohio | United States | 40.59 | -81.08 | 1095 | |
| Minster | city | Ohio | United States | 40.39 | -84.38 | 948 | |
| Miracle Mile | city | Ohio | United States | 39.95 | -83.78 | 997 | |
| Misco | city | Ohio | United States | 39.73 | -82.07 | 830 | |
| Mishler | city | Ohio | United States | 41.00 | -81.36 | 1187 | |
| Misner Corners | city | Ohio | United States | 41.04 | -80.80 | 1118 | |
| Mitchaw | city | Ohio | United States | 41.70 | -83.76 | 830 | |
| Mitiwanga | city | Ohio | United States | 41.38 | -82.46 | 830 | |
| Mizers | city | Ohio | United States | 40.28 | -81.58 | 830 |