Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Nipmuc Hill | Summit | 181 | Providence | 41 43 54 N | 071 39 32 W |
| Nipmuc River | Stream | | Providence | 41 58 15 N | 071 40 44 W |
| Nipsachuck Hill | Summit | 167 | Providence | 41 56 30 N | 071 34 05 W |
| Nipsachuck Swamp | Swamp | 131 | Providence | 41 56 05 N | 071 34 31 W |
| No Bottom Pond | Lake | 1 | Washington | 41 20 02 N | 071 49 32 W |
| No Bottom Pond | Lake | 43 | Washington | 41 30 35 N | 071 38 40 W |
| Nockum Hill | Summit | 8 | Bristol | 41 46 11 N | 071 18 46 W |
| Nonquit Pond | Lake | 1 | Newport | 41 33 49 N | 071 11 43 W |
| Nonquit Pond Dam | Dam | 1 | Newport | 41 33 49 N | 071 11 43 W |
| Nonquit School | School | 6 | Newport | 41 34 18 N | 071 11 33 W |
| Nooseneck | Populated Place | 124 | Kent | 41 37 15 N | 071 38 08 W |
| Nooseneck Hill | Summit | 156 | Kent | 41 36 42 N | 071 38 23 W |
| Nooseneck River | Stream | | Kent | 41 37 14 N | 071 37 15 W |
| Nootas Hill | Summit | 44 | Newport | 41 31 55 N | 071 07 29 W |
| Norman Bird Sanctuary | Park | 7 | Newport | 41 29 54 N | 071 15 21 W |
| North Branch Pawtuxet River | Stream | 18 | Providence | 41 43 00 N | 071 30 38 W |
| North Burial Ground | Cemetery | 14 | Providence | 41 50 55 N | 071 24 25 W |
| North Cemetery | Cemetery | 23 | Bristol | 41 41 18 N | 071 16 53 W |
| North Central State Airport | Airport | 131 | Providence | 41 55 15 N | 071 29 28 W |
| North Cumberland Middle School | School | 66 | Providence | 41 58 56 N | 071 25 31 W |
| North End Historic District | Park | 78 | Providence | 42 00 33 N | 071 31 07 W |
| North Foster | Populated Place | 168 | Providence | 41 49 53 N | 071 45 02 W |
| North Foster Baptist Church | Church | 190 | Providence | 41 49 47 N | 071 45 16 W |
| North Kingston Beach | Populated Place | 10 | Washington | 41 36 35 N | 071 24 53 W |
| North Kingston Day Care and Pre-School | School | 6 | Washington | 41 33 18 N | 071 26 25 W |
| North Kingston Free Library | Building | 9 | Washington | 41 34 04 N | 071 27 27 W |
| North Kingston Senior High School | School | 12 | Washington | 41 33 32 N | 071 26 46 W |
| North Kingston Shopping Center | Locale | 25 | Washington | 41 37 38 N | 071 28 18 W |
| North Kingston Town Beach | Beach | 1 | Washington | 41 33 54 N | 071 26 34 W |
| North Kingstown | Populated Place | 25 | Washington | 41 33 00 N | 071 27 58 W |
| North Kingstown Assembly of God | Church | 24 | Washington | 41 37 04 N | 071 28 40 W |
| North Kingstown Emergency Operations Pad | Airport | 15 | Washington | 41 34 35 N | 071 27 34 W |
| North Kingstown Golf Course | Locale | 10 | Washington | 41 35 45 N | 071 26 04 W |
| North Kingstown United Methodist Church | Church | 9 | Washington | 41 33 29 N | 071 26 34 W |
| North Light Interpretive Center | Building | 0 | Washington | 41 13 45 N | 071 34 40 W |
| North Ligth Beach | Beach | 0 | Washington | 41 13 48 N | 071 34 31 W |
| North Point | Cape | 10 | Bristol | 41 40 53 N | 071 18 09 W |
| North Providence | Populated Place | 56 | Providence | 41 51 00 N | 071 27 58 W |
| North Providence High School | School | 78 | Providence | 41 51 37 N | 071 27 36 W |
| North Quidnessett | Populated Place | 14 | Washington | 41 38 19 N | 071 25 08 W |
| North Scituate | Populated Place | 93 | Providence | 41 49 54 N | 071 35 14 W |
| North Scituate Elementary School | School | 99 | Providence | 41 50 00 N | 071 35 06 W |
| North Smithfield | Populated Place | 110 | Providence | 41 58 00 N | 071 32 58 W |
| North Smithfield Elementary School | School | 92 | Providence | 41 57 15 N | 071 32 43 W |
| North Smithfield Junior-Senior High School | School | 92 | Providence | 41 58 10 N | 071 32 02 W |
| North Smithfield Town Hall | Building | 78 | Providence | 41 59 59 N | 071 34 52 W |
| North Smithfield Wildlife Marsh | Park | 69 | Providence | 41 58 40 N | 071 32 08 W |
| North Tiverton | Populated Place | 57 | Newport | 41 39 53 N | 071 11 29 W |
| North Tiverton Baptist Church | Church | 71 | Newport | 41 39 52 N | 071 11 21 W |
| North Tollgate House | Building | 63 | Providence | 41 55 30 N | 071 27 34 W |
| Northeast Point | Cape | 3 | Newport | 41 37 51 N | 071 19 01 W |
| Northern Lincoln Elementary School | School | 51 | Providence | 41 57 47 N | 071 28 04 W |
| Northwest Point | Cape | 5 | Newport | 41 39 36 N | 071 21 57 W |
| Norwood | Populated Place | 15 | Kent | 41 45 07 N | 071 25 41 W |
| Norwood Avenue School | School | 14 | Providence | 41 46 42 N | 071 24 00 W |
| Norwood Branch Warwick Public Library | Building | 15 | Kent | 41 45 16 N | 071 25 48 W |
| Norwood Building | Building | 33 | Providence | 41 49 38 N | 071 24 05 W |
| Norwood School | School | 17 | Kent | 41 45 03 N | 071 25 39 W |
| Notre Dame Cemetery | Cemetery | 80 | Kent | 41 43 42 N | 071 30 58 W |
| Notre Dame Church (historical) | Church | 32 | Providence | 41 53 18 N | 071 23 15 W |
| Notre Dame Hospital | Hospital | 23 | Providence | 41 53 35 N | 071 23 18 W |
| Notre Dame Regional School | School | 48 | Kent | 41 43 29 N | 071 31 51 W |
| Noyes-Wells Lot | Cemetery | 52 | Washington | 41 25 34 N | 071 45 14 W |
| Nyatt Hall | Building | 10 | Bristol | 41 44 26 N | 071 18 29 W |
| O Brian Memorial Park | Park | 25 | Providence | 41 49 47 N | 071 26 11 W |
| Oak Grove Cemetery | Cemetery | 25 | Providence | 41 53 00 N | 071 22 08 W |
| Oak Grove Cemetery | Cemetery | 20 | Washington | 41 25 33 N | 071 47 13 W |
| Oak Haven School | School | 83 | Kent | 41 41 14 N | 071 32 37 W |
| Oak Hill | Summit | 188 | Providence | 41 50 37 N | 071 42 54 W |
| Oak Hill | Summit | 168 | Providence | 41 57 22 N | 071 41 31 W |
| Oak Hill Cemetery | Cemetery | 64 | Providence | 42 00 45 N | 071 30 21 W |
| Oak Hill Park | Park | 25 | Providence | 41 51 50 N | 071 23 08 W |
| Oak Hill Pond | Lake | 28 | Washington | 41 33 28 N | 071 29 11 W |
| Oak Island | Island | 107 | Providence | 41 52 42 N | 071 35 09 W |
| Oak Lawn Branch Cranston Public Library | Building | 20 | Providence | 41 45 02 N | 071 29 11 W |
| Oak Lawn School | School | 17 | Providence | 41 44 47 N | 071 28 58 W |
| Oak Lawn Village Historic District | Park | 27 | Providence | 41 44 58 N | 071 28 48 W |
| Oak Swamp Reservoir | Reservoir | 110 | Providence | 41 49 33 N | 071 32 14 W |
| Oak Swamp Reservoir Dam | Dam | 110 | Providence | 41 49 33 N | 071 32 14 W |
| Oak Valley | Locale | 91 | Providence | 41 58 05 N | 071 36 03 W |
| Oak Valley | Populated Place | 83 | Providence | 41 57 56 N | 071 35 59 W |
| Oakland | Populated Place | 96 | Providence | 41 57 26 N | 071 38 52 W |
| Oakland Avenue Historic District | Park | 25 | Providence | 41 50 18 N | 071 26 43 W |
| Oakland Beach | Locale | 1 | Kent | 41 41 01 N | 071 23 49 W |
| Oakland Beach | Populated Place | 9 | Kent | 41 41 33 N | 071 23 56 W |
| Oakland Beach Elementary School | School | 13 | Kent | 41 41 55 N | 071 23 58 W |
| Oakland Pond Dam | Dam | 100 | Providence | 41 57 36 N | 071 38 28 W |
| Oaklawn | Populated Place | 21 | Providence | 41 45 07 N | 071 28 38 W |
| Oatley Lot | Cemetery | 66 | Washington | 41 28 33 N | 071 47 15 W |
| Occupessatuxet Cove | Bay | 1 | Kent | 41 44 08 N | 071 23 07 W |
| Ocean Drive Historic District | Park | 0 | Newport | 41 27 16 N | 071 20 06 W |
| Ocean Drive State Park | Park | 12 | Newport | 41 27 10 N | 071 21 16 W |
| Ocean House Beach | Beach | 1 | Washington | 41 18 24 N | 071 51 21 W |
| Ocean Road Historic District | Park | 15 | Washington | 41 24 50 N | 071 27 18 W |
| Ocean State Plaza Shopping Center | Locale | 20 | Bristol | 41 43 12 N | 071 16 15 W |
| Ochre Point | Cape | 0 | Newport | 41 28 09 N | 071 17 47 W |
| Ochre Point-Cliffs Historic District | Park | 13 | Newport | 41 28 23 N | 071 18 09 W |
| Octagon House | Building | 29 | Washington | 41 27 45 N | 071 39 41 W |
| Oddfellows Hall | Building | 26 | Providence | 41 51 50 N | 071 23 51 W |
| Ohio Ledge | Bar | 1 | Bristol | 41 40 55 N | 071 19 29 W |
| Ok-wa-nessett Camp | Locale | 46 | Kent | 41 41 36 N | 071 29 50 W |
| Old Antgonio | Bar | -3 | Washington | 41 26 21 N | 071 26 06 W |
| Old Ashton Historic District | Park | 26 | Providence | 41 56 11 N | 071 26 02 W |
| Old Baptist Church Burial Ground | Cemetery | 7 | Kent | 41 42 47 N | 071 22 48 W |
| Old Baptist Church Yard | Cemetery | 84 | Washington | 41 34 39 N | 071 32 13 W |
| Old Baptist Meetinghouse Yard | Cemetery | 27 | Washington | 41 35 34 N | 071 29 27 W |
| Old Bay Rock | Pillar | 1 | Bristol | 41 41 48 N | 071 13 31 W |
| Old Breach Cut | Bay | 0 | Washington | 41 11 58 N | 071 34 55 W |
| Old Briton Rock | Pillar | 0 | Washington | 41 13 14 N | 071 33 12 W |
| Old Burying Ground | Cemetery | 33 | Newport | 41 30 33 N | 071 10 19 W |