| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Mace | city | Indiana | United States | 40.01028 | -86.79639 | 823 | 2767 |
| Macedonia | city | Indiana | United States | 38.05389 | -85.96 | 508 | 2401 |
| Mackey | city | Indiana | United States | 38.25222 | -87.39167 | 433 | 3221 |
| Mackie | city | Indiana | United States | 40.06028 | -87.28528 | 672 | 1481 |
| Macy | city | Indiana | United States | 40.95917 | -86.12722 | 866 | 1644 |
| Madalline | city | Indiana | United States | 39.73222 | -87.08056 | 656 | 1295 |
| Madison | city | Indiana | United States | 38.73583 | -85.38 | 803 | 13782 |
| Magee | city | Indiana | United States | 41.53083 | -86.75111 | 767 | 4782 |
| Magley | city | Indiana | United States | 40.83139 | -85.05333 | 797 | 2395 |
| Magnet | city | Indiana | United States | 38.09667 | -86.46333 | 551 | 937 |
| Magnetic Springs | city | Indiana | United States | 39.70861 | -86.47278 | 784 | 9313 |
| Magnolia | city | Indiana | United States | 38.24917 | -86.39306 | 698 | 1052 |
| Mahalasville | city | Indiana | United States | 39.36028 | -86.36278 | 613 | 4562 |
| Mahan Crossing | city | Indiana | United States | 38.55722 | -86.36444 | 718 | 1334 |
| Mahon | city | Indiana | United States | 40.93861 | -85.38056 | 744 | 2406 |
| Majenica | city | Indiana | United States | 40.77 | -85.45333 | 797 | 2112 |
| Makin | city | Indiana | United States | 40.96583 | -85.58556 | 846 | 2340 |
| Malden | city | Indiana | United States | 41.37611 | -87.02694 | 698 | 4851 |
| Mallot Park historical | city | Indiana | United States | 39.85278 | -86.11806 | 767 | 153254 |
| Maltersville | city | Indiana | United States | 38.34639 | -86.88972 | 557 | 8283 |
| Manchester | city | Indiana | United States | 40.09778 | -86.90417 | 757 | 8057 |
| Manchester | city | Indiana | United States | 39.15167 | -85.01222 | 892 | 3777 |
| Manhattan | city | Indiana | United States | 39.555 | -86.9275 | 600 | 2945 |
| Manilla | city | Indiana | United States | 39.57417 | -85.61944 | 895 | 1914 |
| Manor Woods | city | Indiana | United States | 41.02528 | -85.26222 | 748 | 18548 |
| Mansfield | city | Indiana | United States | 39.67639 | -87.10222 | 633 | 1348 |
| Manson | city | Indiana | United States | 40.24 | -86.59028 | 859 | 1791 |
| Manville | city | Indiana | United States | 38.78778 | -85.28556 | 495 | 1745 |
| Maple Lane | city | Indiana | United States | 41.7 | -86.21694 | 757 | 129905 |
| Maple Ridge | city | Indiana | United States | 39.67806 | -86.28611 | 764 | 33037 |
| Maple Valley | city | Indiana | United States | 39.86694 | -85.58694 | 997 | 3504 |
| Maples | city | Indiana | United States | 41.01278 | -84.96917 | 797 | 9648 |
| Mapleton | city | Indiana | United States | 39.82889 | -86.16722 | 748 | 156947 |
| Mapleton Corner | city | Indiana | United States | 39.19083 | -85.54611 | 797 | 2391 |
| Maplewood | city | Indiana | United States | 39.83444 | -86.50528 | 967 | 4620 |
| Maplewood Park | city | Indiana | United States | 41.11556 | -85.05639 | 797 | 87860 |
| Marble Hill | city | Indiana | United States | 38.5925 | -85.45056 | 803 | 1978 |
| Marco | city | Indiana | United States | 38.93583 | -87.14222 | 479 | 1290 |
| Mardenis | city | Indiana | United States | 40.90417 | -85.41361 | 741 | 2694 |
| Marengo | city | Indiana | United States | 38.36917 | -86.34361 | 816 | 2559 |
| Mariah Hill | city | Indiana | United States | 38.16528 | -86.92472 | 485 | 2993 |
| Marian Manor | city | Indiana | United States | 41.46694 | -87.0875 | 698 | 33605 |
| Marietta | city | Indiana | United States | 39.44139 | -85.88389 | 711 | 2314 |
| Marineland Gardens | city | Indiana | United States | 41.37806 | -85.68444 | 889 | 7547 |
| Marion | city | Indiana | United States | 39.59167 | -85.755 | 800 | 3284 |
| Marion | city | Indiana | United States | 40.55833 | -85.65917 | 797 | 34358 |
| Marion Heights | city | Indiana | United States | 39.49472 | -87.44583 | 472 | 45913 |
| Marion Mills | city | Indiana | United States | 39.30639 | -86.99889 | 688 | 1265 |
| Markland | city | Indiana | United States | 38.78194 | -84.98667 | 439 | 2029 |
| Markle | city | Indiana | United States | 40.82917 | -85.33556 | 797 | 2113 |
| Markles | city | Indiana | United States | 39.52694 | -87.35194 | 551 | 29765 |
| Markleville | city | Indiana | United States | 39.97778 | -85.61472 | 931 | 4299 |
| Marlin Hills | city | Indiana | United States | 39.21306 | -86.52333 | 751 | 35142 |
| Marrs Center | city | Indiana | United States | 37.94556 | -87.755 | 390 | 3645 |
| Marshall | city | Indiana | United States | 39.84806 | -87.18778 | 698 | 922 |
| Marshfield | city | Indiana | United States | 40.24917 | -87.45278 | 702 | 1067 |
| Marshfield | city | Indiana | United States | 38.70917 | -85.78167 | 564 | 10910 |
| Marshtown | city | Indiana | United States | 40.94889 | -86.33861 | 784 | 1369 |
| Martin | city | Indiana | United States | 38.12444 | -87.67361 | 439 | 4271 |
| Martin Heights | city | Indiana | United States | 38.6125 | -86.10806 | 807 | 7034 |
| Martinsburg | city | Indiana | United States | 38.44389 | -86.02611 | 898 | 3573 |
| Martinsville | city | Indiana | United States | 39.42778 | -86.42833 | 613 | 14600 |
| Marysville | city | Indiana | United States | 38.35194 | -87.27833 | 501 | 1993 |
| Marysville | city | Indiana | United States | 38.58556 | -85.64361 | 675 | 2593 |
| Massacre | city | Indiana | United States | 39.15583 | -87.4075 | 498 | 6474 |
| Matamoras | city | Indiana | United States | 40.55417 | -85.26306 | 846 | 1733 |
| Matthews | city | Indiana | United States | 40.38861 | -85.49944 | 846 | 4585 |
| Mattix Corner | city | Indiana | United States | 40.34417 | -86.56694 | 797 | 4035 |
| Mauckport | city | Indiana | United States | 38.02472 | -86.20194 | 396 | 3145 |
| Maumee | city | Indiana | United States | 39.02111 | -86.26167 | 570 | 1314 |
| Mauzy | city | Indiana | United States | 39.62389 | -85.33833 | 1013 | 2634 |
| Max | city | Indiana | United States | 40.01028 | -86.58194 | 948 | 2273 |
| Maxinkuckee | city | Indiana | United States | 41.20833 | -86.38139 | 800 | 2765 |
| Maxville | city | Indiana | United States | 38 | -86.81333 | 360 | 5961 |
| Maxville | city | Indiana | United States | 40.17222 | -85.10583 | 1046 | 3047 |
| Maxwell | city | Indiana | United States | 39.38722 | -86.45556 | 646 | 13681 |
| Maxwell | city | Indiana | United States | 39.8575 | -85.77 | 898 | 11790 |
| Mayfield | city | Indiana | United States | 40.195 | -85.35 | 977 | 55467 |
| Mayflower Meadows | city | Indiana | United States | 39.88333 | -86.08444 | 813 | 101782 |
| Maynard | city | Indiana | United States | 41.54139 | -87.50861 | 613 | 91393 |
| Mays | city | Indiana | United States | 39.74361 | -85.43 | 1000 | 1318 |
| Maysville | city | Indiana | United States | 38.64778 | -87.22833 | 511 | 7930 |
| Maysville Crossing | city | Indiana | United States | 40.33083 | -87.14722 | 577 | 1312 |
| Maywood | city | Indiana | United States | 39.72611 | -86.21583 | 698 | 78253 |
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