Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Lou Gehrig Plaza | Park | | Bronx | 40 49 37 N | 073 55 25 W |
| Lower Forecourt | Park | 23 | Bronx | 40 53 21 N | 073 54 08 W |
| Loyal Baptist Church | Church | | Bronx | 40 49 35 N | 073 53 47 W |
| Loyola Hall | Building | | Bronx | 40 51 46 N | 073 53 08 W |
| Lutheran Church of the Epiphany | Church | | Bronx | 40 52 29 N | 073 52 44 W |
| MacCracken Hall | Building | 55 | Bronx | 40 51 35 N | 073 54 42 W |
| Machaux Rock | Bar | -7 | Bronx | 40 52 26 N | 073 46 29 W |
| Macombs Dam Park | Park | 5 | Bronx | 40 49 44 N | 073 55 43 W |
| Madison Square Boys Club | Building | | Bronx | 40 50 08 N | 073 53 17 W |
| Manhattan College | School | 30 | Bronx | 40 53 22 N | 073 54 05 W |
| Manhattan Hebrew High School (historical) | School | | Bronx | 40 53 52 N | 073 54 40 W |
| Mansion House | Building | 10 | Bronx | 40 53 27 N | 073 53 41 W |
| Marble Hill High School of International Studies | School | | Bronx | 40 52 40 N | 073 54 47 W |
| Marguerite Hall | Building | | Bronx | 40 50 30 N | 073 49 04 W |
| Maria Lopez Plaza | Building | 11 | Bronx | 40 49 08 N | 073 55 19 W |
| Maritime Industry Museum | Building | | Bronx | 40 48 20 N | 073 47 28 W |
| Martinique Club (historical) | Building | 15 | Bronx | 40 48 55 N | 073 53 55 W |
| Martyrs Court | Building | | Bronx | 40 51 46 N | 073 53 16 W |
| Mazer Building | Building | | Bronx | 40 50 58 N | 073 50 49 W |
| McGinley Center | Building | | Bronx | 40 51 46 N | 073 53 03 W |
| McKinley Square | Park | | Bronx | 40 49 52 N | 073 54 03 W |
| Meister Hall | Building | 53 | Bronx | 40 51 26 N | 073 54 46 W |
| Melrose | Populated Place | 9 | Bronx | 40 49 28 N | 073 54 37 W |
| Melrose Common | Building | 9 | Bronx | 40 49 13 N | 073 54 37 W |
| Melrose Houses (subdivision) | Populated Place | 15 | Bronx | 40 49 15 N | 073 55 07 W |
| Melrose Reformed Church | Church | | Bronx | 40 49 13 N | 073 54 49 W |
| Memorial Hall | Building | 30 | Bronx | 40 53 22 N | 073 54 06 W |
| Mennonite House of Friendship | Church | | Bronx | 40 51 00 N | 073 52 58 W |
| Messiah Home for Children | Building | | Bronx | 40 51 04 N | 073 55 01 W |
| Messiah Swedish Lutheran Church | Church | | Bronx | 40 50 30 N | 073 53 14 W |
| Methodist Episcopal Church Home | Building | | Bronx | 40 53 25 N | 073 54 12 W |
| Metropolitan Oval | Park | | Bronx | 40 50 18 N | 073 51 36 W |
| Michelangelo Apartments | Building | 7 | Bronx | 40 49 05 N | 073 55 24 W |
| Middle Reef | Bar | 0 | Bronx | 40 52 17 N | 073 46 14 W |
| Middle Rock | Bar | 4 | Bronx | 40 51 39 N | 073 48 47 W |
| Middle School 101 | School | 6 | Bronx | 40 49 38 N | 073 49 47 W |
| Middle School 118 | School | 27 | Bronx | 40 50 54 N | 073 53 34 W |
| Middle School 127 | School | 8 | Bronx | 40 50 18 N | 073 51 14 W |
| Middle School 135 | School | 37 | Bronx | 40 51 45 N | 073 51 56 W |
| Middle School 143 | School | 32 | Bronx | 40 52 31 N | 073 54 07 W |
| Middle School 144 | School | | Bronx | 40 51 50 N | 073 50 12 W |
| Middle School 149 | School | 8 | Bronx | 40 48 47 N | 073 55 14 W |
| Middle School 201 | School | | Bronx | 40 48 58 N | 073 53 07 W |
| Middle School 203 | School | | Bronx | 40 48 49 N | 073 55 34 W |
| Middle School 206 | School | | Bronx | 40 51 35 N | 073 54 23 W |
| Middle School 301 | School | 21 | Bronx | 40 49 20 N | 073 54 23 W |
| Middle School 45 | School | 28 | Bronx | 40 51 30 N | 073 53 14 W |
| Middle School 80 | School | 43 | Bronx | 40 52 36 N | 073 52 54 W |
| Middle School/High School 141 | School | 65 | Bronx | 40 53 16 N | 073 54 53 W |
| Middletown | Populated Place | | Bronx | 40 50 23 N | 073 49 54 W |
| Miguel Hall | Building | 31 | Bronx | 40 53 22 N | 073 54 04 W |
| Mill Brook Houses (subdivision) | Populated Place | 7 | Bronx | 40 48 21 N | 073 55 08 W |
| Mission of the Union of Soviet Socialist Republics to the United Nations (historical) | Building | | Bronx | 40 54 10 N | 073 54 10 W |
| Monastery of Saint Clare | Church | 10 | Bronx | 40 48 55 N | 073 48 50 W |
| Monastery of the Visitation | Church | | Bronx | 40 54 22 N | 073 54 32 W |
| Monroe Academy for Business and Law | School | | Bronx | 40 49 55 N | 073 52 43 W |
| Monroe Academy for Visual Arts and Design | School | | Bronx | 40 49 55 N | 073 52 43 W |
| Monroe High School | School | 16 | Bronx | 40 49 54 N | 073 52 42 W |
| Monsignor Scanlan High School | School | 8 | Bronx | 40 49 30 N | 073 50 19 W |
| Montefiore Hebrew Congregation (historical) | Church | 20 | Bronx | 40 49 04 N | 073 54 01 W |
| Montefiore Medical Center | Hospital | 57 | Bronx | 40 52 48 N | 073 52 46 W |
| Moore Plaza | Locale | | Bronx | 40 53 41 N | 073 51 12 W |
| Morningside House Nursing Home | Building | | Bronx | 40 51 24 N | 073 51 34 W |
| Morris Heights | Populated Place | 45 | Bronx | 40 50 59 N | 073 55 11 W |
| Morris Heights Station Bronx Post Office | Post Office | | Bronx | 40 51 11 N | 073 54 27 W |
| Morris High School (historical) | School | 27 | Bronx | 40 49 37 N | 073 54 15 W |
| Morris High School Historic District | Park | 27 | Bronx | 40 49 39 N | 073 54 10 W |
| Morris Park | Populated Place | 24 | Bronx | 40 51 08 N | 073 51 12 W |
| Morris Park Station | Locale | | Bronx | 40 51 16 N | 073 51 38 W |
| Morris Yacht and Beach Club | Locale | | Bronx | 40 50 14 N | 073 47 03 W |
| Morrisania | Populated Place | 14 | Bronx | 40 49 45 N | 073 54 23 W |
| Morrisania Childhood Center | School | | Bronx | 40 49 29 N | 073 53 47 W |
| Morrisania Community Church | Church | | Bronx | 40 49 51 N | 073 54 27 W |
| Morrisania Early Childhood Center | School | | Bronx | 40 50 41 N | 073 53 55 W |
| Morrisania Head Start Center Number 1 | School | | Bronx | 40 50 08 N | 073 53 15 W |
| Morrisania Health Station | Hospital | | Bronx | 40 49 59 N | 073 54 13 W |
| Morrisania Hospital (historical) | Hospital | 19 | Bronx | 40 50 10 N | 073 55 08 W |
| Mosholu Branch New York Public Library | Building | | Bronx | 40 52 28 N | 073 52 42 W |
| Mosholu Park | Park | 59 | Bronx | 40 53 14 N | 073 53 01 W |
| Mosholu Preservation Organization Headquarters | Building | | Bronx | 40 52 44 N | 073 52 33 W |
| Mott Haven | Populated Place | 11 | Bronx | 40 48 32 N | 073 55 22 W |
| Mott Haven Branch New York Public Library | Building | 9 | Bronx | 40 48 42 N | 073 55 26 W |
| Mott Haven East Historic District | Park | 9 | Bronx | 40 48 35 N | 073 55 14 W |
| Mott Haven Historic District | Park | 9 | Bronx | 40 48 39 N | 073 55 27 W |
| Mott Haven Reformed Church | Church | 9 | Bronx | 40 48 53 N | 073 55 14 W |
| Mott Haven Station | Locale | 7 | Bronx | 40 48 48 N | 073 55 44 W |
| Mott Haven Yard | Locale | 5 | Bronx | 40 48 11 N | 073 55 24 W |
| Mott Iron Works (historical) | Locale | 2 | Bronx | 40 48 32 N | 073 55 50 W |
| Mott Yard | Locale | 5 | Bronx | 40 49 23 N | 073 55 18 W |
| Mount Carmel Baptist Church | Church | | Bronx | 40 49 52 N | 073 53 48 W |
| Mount Carmel School | School | 31 | Bronx | 40 51 30 N | 073 53 20 W |
| Mount Cella Baptist Church | Church | | Bronx | 40 50 31 N | 073 55 12 W |
| Mount Eden Center Synagogue | Church | | Bronx | 40 50 37 N | 073 54 33 W |
| Mount Eden General Hospital | Hospital | | Bronx | 40 50 36 N | 073 54 35 W |
| Mount Gilead Baptist Church | Church | | Bronx | 40 50 38 N | 073 54 33 W |
| Mount Hermon Baptist Church | Church | | Bronx | 40 50 12 N | 073 55 33 W |
| Mount Saint Michael Academy | School | 35 | Bronx | 40 53 54 N | 073 50 33 W |
| Mount Saint Ursula Academy | School | | Bronx | 40 52 08 N | 073 53 10 W |
| Mount Saint Vincent | Summit | 48 | Bronx | 40 54 48 N | 073 54 25 W |
| Mount Zion Christian Methodist Episcopal Church | Church | | Bronx | 40 49 40 N | 073 52 44 W |
| Mulcahy Hall | Building | | Bronx | 40 51 33 N | 073 53 02 W |
| Mullayly Park | Park | 6 | Bronx | 40 49 54 N | 073 55 28 W |
| Murphy Field | Park | | Bronx | 40 51 52 N | 073 53 06 W |
| Murray-Weigel Hall | Building | | Bronx | 40 51 37 N | 073 53 14 W |
| Museum of Bronx History | Building | | Bronx | 40 52 37 N | 073 52 47 W |
| Museum of the American Indian Heye Foundation Annex | Building | | Bronx | 40 50 39 N | 073 49 37 W |
| Nathan Straus Jewish Center | Church | | Bronx | 40 52 57 N | 073 52 47 W |
| Nativity of Our Blessed Lady Church | Church | | Bronx | 40 53 19 N | 073 49 54 W |
| Nativity of Our Blessed Lady School | School | 16 | Bronx | 40 53 19 N | 073 49 55 W |
| Neumann House | Building | 25 | Bronx | 40 53 17 N | 073 54 11 W |