Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Northeast Island | Island | 0 | Dorchester | 38 09 02 N | 076 04 18 W |
| Northeast Market | Locale | 33 | Baltimore (city) | 39 17 53 N | 076 35 15 W |
| Northeast Middle School | School | 48 | Baltimore (city) | 39 19 30 N | 076 33 07 W |
| Northeast Park | Park | 115 | Montgomery | 39 05 32 N | 077 07 56 W |
| Northeast Plaza Shopping Center | Locale | 27 | Cecil | 39 36 35 N | 075 56 56 W |
| Northern Church | Church | 1 | Dorchester | 38 30 16 N | 076 08 60 W |
| Northern Garrett County Senior High School | School | 741 | Garrett | 39 39 53 N | 079 17 51 W |
| Northern High School | School | 87 | Baltimore (city) | 39 21 57 N | 076 34 16 W |
| Northern High School | School | 38 | Calvert | 38 41 08 N | 076 39 08 W |
| Northern Middle School | School | 35 | Calvert | 38 41 06 N | 076 39 13 W |
| Northern Middle School | School | 741 | Garrett | 39 39 51 N | 079 17 51 W |
| Northern Middle School | School | 173 | Washington | 39 39 55 N | 077 42 49 W |
| Northern Parkway Junior High School | School | 99 | Baltimore (city) | 39 22 00 N | 076 33 38 W |
| Northern Police Station | Building | 66 | Baltimore (city) | 39 19 42 N | 076 37 38 W |
| Northern Prong Saint Jerome Creek | Bay | 0 | St. Mary's | 38 07 05 N | 076 21 27 W |
| Northfield Elementary School | School | 110 | Howard | 39 15 21 N | 076 49 49 W |
| Northgate | Populated Place | 55 | Charles | 38 36 48 N | 076 53 03 W |
| Northgate (subdivision) | Populated Place | 128 | Frederick | 39 42 35 N | 077 19 26 W |
| Northgate Woods | Populated Place | 73 | Howard | 39 07 13 N | 076 50 03 W |
| Northlake Commerce Center | Locale | 139 | Montgomery | 39 10 37 N | 077 15 59 W |
| Northminster at Fair Hill | Populated Place | 103 | Cecil | 39 41 45 N | 075 52 24 W |
| Northport | Populated Place | 21 | Anne Arundel | 39 02 22 N | 076 28 14 W |
| Northridge | Populated Place | 62 | Harford | 39 30 05 N | 076 17 53 W |
| Northridge Manor | Populated Place | 194 | Washington | 39 41 43 N | 077 43 08 W |
| Northside Baptist Church | Church | 112 | Baltimore (city) | 39 22 01 N | 076 35 50 W |
| Northside Mennonite Church | Church | 170 | Washington | 39 39 00 N | 077 42 38 W |
| Northside Park | Park | 1 | Worcester | 38 26 01 N | 075 03 31 W |
| Northside Plaza Shopping Center | Locale | 20 | Cecil | 39 37 05 N | 075 50 21 W |
| Northview Shopping Center | Locale | | Baltimore | 39 24 53 N | 076 27 47 W |
| Northway Shopping Center | Locale | | Anne Arundel | 39 07 04 N | 076 38 01 W |
| Northwest Branch Anacostia River | Stream | | Prince George's | 38 56 33 N | 076 56 39 W |
| Northwest Branch Harris Creek | Stream | | Talbot | 38 47 32 N | 076 16 17 W |
| Northwest Branch Park | Park | 31 | Montgomery | 39 00 50 N | 076 59 31 W |
| Northwest Harbor | Harbor | -3 | Baltimore (city) | 39 16 20 N | 076 34 43 W |
| Northwest High School | School | 120 | Montgomery | 39 08 58 N | 077 16 47 W |
| Northwest Hospital Center | Hospital | | Baltimore | 39 21 31 N | 076 46 51 W |
| Northwest Middle School | School | 159 | Carroll | 39 39 06 N | 077 10 03 W |
| Northwest Park | Populated Place | 98 | Montgomery | 38 59 33 N | 077 05 53 W |
| Northwest Park | Populated Place | 65 | Montgomery | 39 00 26 N | 076 59 03 W |
| Northwest Plaza Shopping Center | Locale | 127 | Baltimore (city) | 39 20 45 N | 076 41 56 W |
| Northwest Point | Cape | 6 | Kent | 39 08 50 N | 076 04 32 W |
| Northwest Police Station | Building | 134 | Baltimore (city) | 39 20 41 N | 076 41 09 W |
| Northwestern High School | School | 140 | Baltimore (city) | 39 21 52 N | 076 42 17 W |
| Northwestern High School | School | 37 | Prince George's | 38 58 32 N | 076 57 10 W |
| Northwestern School | School | 8 | Wicomico | 38 28 09 N | 075 44 55 W |
| Northwind Farms | Populated Place | 103 | Baltimore | 39 24 29 N | 076 29 38 W |
| Northwind Village | Populated Place | 87 | Baltimore | 39 24 07 N | 076 30 05 W |
| Northwood | Populated Place | 61 | Charles | 38 38 50 N | 076 54 14 W |
| Northwood (subdivision) | Populated Place | 10 | Wicomico | 38 23 42 N | 075 34 59 W |
| Northwood Branch Enoch Pratt Free Library | Building | 84 | Baltimore (city) | 39 20 44 N | 076 35 30 W |
| Northwood Estates | Populated Place | 42 | Anne Arundel | 39 08 40 N | 076 40 19 W |
| Northwood Forest | Populated Place | 114 | Montgomery | 39 02 00 N | 077 01 26 W |
| Northwood Industrial Park | Locale | 11 | Wicomico | 38 24 05 N | 075 35 04 W |
| Northwood Junior-Senior High School | School | 120 | Montgomery | 39 02 08 N | 077 01 21 W |
| Northwood Park | Populated Place | 96 | Montgomery | 39 01 40 N | 077 00 57 W |
| Northwood Presbyterian Church | Church | 107 | Montgomery | 39 02 08 N | 077 01 44 W |
| Northwood Recreation Center | Park | 81 | Baltimore (city) | 39 21 09 N | 076 35 17 W |
| Northwood School | School | 80 | Baltimore (city) | 39 21 10 N | 076 35 20 W |
| Northwood Shopping Center | Locale | 81 | Baltimore (city) | 39 20 28 N | 076 35 26 W |
| Northwood Station Baltimore Post Office | Post Office | 96 | Baltimore (city) | 39 22 02 N | 076 34 54 W |
| Northwood-Appold United Methodist Church | Church | 85 | Baltimore (city) | 39 20 46 N | 076 35 29 W |
| Norwegian Seamans Church | Church | 24 | Baltimore (city) | 39 17 15 N | 076 35 05 W |
| Norwich Acres | Populated Place | 5 | Anne Arundel | 39 05 22 N | 076 30 05 W |
| Norwich Creek | Stream | | Queen Anne's | 38 54 43 N | 075 56 56 W |
| Norwood | Populated Place | 45 | Charles | 38 26 00 N | 076 52 05 W |
| Norwood | Populated Place | 129 | Montgomery | 39 07 31 N | 077 01 39 W |
| Norwood Elementary School | School | 19 | Baltimore | 39 16 35 N | 076 31 07 W |
| Norwood Estates | Populated Place | 129 | Montgomery | 39 06 50 N | 077 00 52 W |
| Norwood Heights | Populated Place | 57 | Baltimore (city) | 39 16 32 N | 076 41 24 W |
| Norwood Park | Park | 104 | Montgomery | 39 06 57 N | 077 02 24 W |
| Norwood Park | Populated Place | 17 | Baltimore | 39 16 22 N | 076 31 21 W |
| Norwood Recreational Center | Park | 99 | Montgomery | 38 58 30 N | 077 05 46 W |
| Norwood Village | Populated Place | 118 | Montgomery | 39 07 09 N | 077 02 19 W |
| NOS Magnetic Observatory | Locale | 70 | Prince George's | 38 44 06 N | 076 50 45 W |
| Nose Marsh | Swamp | 1 | Anne Arundel | 38 52 45 N | 076 32 22 W |
| Nostalgia | Populated Place | 34 | Calvert | 38 26 35 N | 076 31 14 W |
| Notch Cliff | Populated Place | 70 | Baltimore | 39 26 37 N | 076 30 37 W |
| Notch Cliff Notre Dame Sanatorium | Hospital | 124 | Baltimore | 39 26 50 N | 076 31 04 W |
| Notley Hall | Building | 52 | Prince George's | 38 46 31 N | 077 01 07 W |
| Notley Hall | Locale | 40 | St. Mary's | 38 18 53 N | 076 48 23 W |
| Notre Dame | Locale | 109 | Baltimore (city) | 39 21 09 N | 076 37 30 W |
| Notre Dame College | School | 113 | Baltimore (city) | 39 21 05 N | 076 37 13 W |
| Notre Dame Convent | Church | 24 | Baltimore (city) | 39 17 25 N | 076 35 25 W |
| Notre Dame Convent of the Sacred Heart | Church | 31 | Baltimore (city) | 39 17 04 N | 076 34 05 W |
| Notre Dame High School | School | 55 | Charles | 38 32 24 N | 076 50 15 W |
| Nottingham | Populated Place | 44 | Anne Arundel | 39 11 57 N | 076 38 14 W |
| Nottingham | Populated Place | 36 | Anne Arundel | 39 01 41 N | 076 32 52 W |
| Nottingham | Populated Place | 19 | Baltimore | 39 21 50 N | 076 27 08 W |
| Nottingham Branch Baltimore Post Office | Post Office | | Baltimore | 39 22 40 N | 076 27 20 W |
| Nottingham Fields | Populated Place | 125 | Cecil | 39 42 52 N | 076 03 52 W |
| Nottingham Middle School | School | 42 | Baltimore | 39 21 35 N | 076 28 25 W |
| Nottingham Square Shopping Center | Locale | | Baltimore | 39 22 20 N | 076 27 15 W |
| Nottingham Village | Populated Place | 231 | Carroll | 39 22 33 N | 077 07 45 W |
| Nottingham Woods | Populated Place | 48 | Baltimore | 39 23 03 N | 076 27 49 W |
| Nottingham Woods | Populated Place | 13 | Wicomico | 38 23 24 N | 075 33 09 W |
| Nottinghamshire Farms | Populated Place | 187 | Baltimore | 39 39 06 N | 076 34 54 W |
| Noyes Children Center | Building | 133 | Montgomery | 39 06 07 N | 077 12 19 W |
| Noyes Library | Building | 84 | Montgomery | 39 01 28 N | 077 04 22 W |
| Noyes Library for Young Children | Building | 86 | Montgomery | 39 01 29 N | 077 04 25 W |
| Number 1 Mine | Mine | 722 | Garrett | 39 37 30 N | 079 11 24 W |
| Nuns Oak | Locale | 4 | St. Mary's | 38 14 30 N | 076 39 53 W |
| Nuns Oak Airport | Airport | 4 | St. Mary's | 38 14 35 N | 076 39 46 W |
| Nuodex Incorporated Heliport | Airport | 19 | Kent | 39 15 10 N | 076 05 04 W |
| Nurse Center | Building | | Baltimore (city) | 39 18 33 N | 076 39 32 W |
| Nursery Road Business Park | Locale | 15 | Anne Arundel | 39 13 24 N | 076 39 49 W |
| Nursery Run | Stream | | Montgomery | 39 07 10 N | 077 00 25 W |
| Nursery View | Populated Place | 237 | Howard | 39 21 20 N | 077 07 12 W |
| Nutcracker Point | Populated Place | 3 | Talbot | 38 48 22 N | 076 17 09 W |
| Nuthalls Folly | Locale | 0 | St. Mary's | 38 09 20 N | 076 31 49 W |
| Nutters Neck | Cape | 2 | Wicomico | 38 22 22 N | 075 47 09 W |