Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Jamestown Primary School (historical) | School | 10 | Newport | 41 29 47 N | 071 22 32 W |
| Jamestown Reservoir | Reservoir | 11 | Newport | 41 31 47 N | 071 22 18 W |
| Jamestown Reservoir Dam | Dam | 11 | Newport | 41 31 47 N | 071 22 18 W |
| Jamestown School-Melrose | School | 22 | Newport | 41 30 03 N | 071 22 30 W |
| Jamestown Shores | Populated Place | 13 | Newport | 41 31 47 N | 071 23 21 W |
| Jamestown Town Cemetery | Cemetery | 14 | Newport | 41 29 47 N | 071 22 27 W |
| Jamestown Town Hall | Building | 15 | Newport | 41 29 46 N | 071 22 24 W |
| Jamestown-Lawn School | School | 20 | Newport | 41 29 55 N | 071 22 43 W |
| Jamestown-Newport Ferry (historical) | Locale | 0 | Newport | 41 30 15 N | 071 20 43 W |
| Jamestown-Saunderstown Ferry (historical) | Locale | 1 | Washington | 41 31 40 N | 071 24 13 W |
| Jenckes Hill | Summit | 129 | Providence | 41 54 12 N | 071 27 36 W |
| Jenckesville Mill (historical) | Locale | 53 | Providence | 42 00 46 N | 071 30 00 W |
| Jenkes Mill (historical) | Locale | 52 | Providence | 42 00 44 N | 071 30 00 W |
| Jenkes Mill (historical) | Locale | 45 | Providence | 42 00 37 N | 071 30 06 W |
| Jenkins Pond | Lake | 17 | Washington | 41 33 43 N | 071 27 47 W |
| Jenks Park | Park | 35 | Providence | 41 53 17 N | 071 23 18 W |
| Jenny Pond | Lake | 10 | Newport | 41 37 52 N | 071 20 07 W |
| Jerauld-Gerald Lot | Cemetery | 45 | Kent | 41 41 55 N | 071 28 52 W |
| Jerimoth Hill | Summit | 256 | Providence | 41 50 58 N | 071 46 43 W |
| Jerrys Point | Cape | 4 | Washington | 41 12 13 N | 071 33 29 W |
| Jerusalem | Populated Place | 3 | Washington | 41 22 36 N | 071 31 03 W |
| Jesus Marie Convent | Church | 52 | Providence | 42 00 06 N | 071 30 34 W |
| Jiley Hill | Summit | 61 | Newport | 41 37 19 N | 071 11 13 W |
| Job Kenyon Lot | Cemetery | 67 | Washington | 41 34 05 N | 071 44 30 W |
| Jobs Hill | Summit | 12 | Washington | 41 10 55 N | 071 34 39 W |
| John Brown House Museum | Building | 2 | Providence | 41 48 50 N | 071 24 10 W |
| John Browning Lot | Cemetery | 9 | Kent | 41 41 56 N | 071 27 47 W |
| John Budlong Lot | Cemetery | 19 | Kent | 41 41 30 N | 071 25 45 W |
| John Carter Brown Library | Building | 29 | Providence | 41 49 31 N | 071 24 04 W |
| John D Memorial Park | Park | 28 | Kent | 41 41 51 N | 071 28 29 W |
| John D Rockefeller Junior Library | Building | 34 | Providence | 41 49 30 N | 071 24 10 W |
| John E's Pond | Lake | 40 | Washington | 41 09 20 N | 071 33 34 W |
| John F Deering Middle School | School | 29 | Kent | 41 42 42 N | 071 30 16 W |
| John F Deering Middle School Annex | School | 25 | Kent | 41 42 45 N | 071 30 23 W |
| John F Horgan Elementary School | School | 28 | Kent | 41 42 51 N | 071 31 01 W |
| John Gardiner Cemetery | Cemetery | 73 | Washington | 41 31 33 N | 071 29 11 W |
| John Greene School | School | 45 | Kent | 41 41 01 N | 071 22 42 W |
| John H Holden Lot | Cemetery | 15 | Kent | 41 42 33 N | 071 27 50 W |
| John Hay Library | Building | 36 | Providence | 41 49 33 N | 071 24 14 W |
| John L Curran Lower Reservoir | Reservoir | 84 | Providence | 41 44 30 N | 071 32 43 W |
| John L Curran Upper Reservoir | Reservoir | 98 | Providence | 41 45 02 N | 071 32 57 W |
| John Nicholas Brown Center | Building | 22 | Providence | 41 49 16 N | 071 24 06 W |
| John W Horton School | School | 22 | Providence | 41 47 00 N | 071 27 03 W |
| John Waterman Arnold House | Building | 10 | Providence | 41 46 17 N | 071 24 35 W |
| John Wickes School | School | 21 | Kent | 41 42 22 N | 071 26 03 W |
| John Wightman Cemetery | Cemetery | 18 | Washington | 41 38 08 N | 071 25 10 W |
| Johnson and Wales University | School | 3 | Providence | 41 49 20 N | 071 24 39 W |
| Johnson and Wales University Library | Building | 3 | Providence | 41 49 20 N | 071 24 39 W |
| Johnson Ledge | Bar | 1 | Newport | 41 37 37 N | 071 20 52 W |
| Johnston Memorial Park | Park | 50 | Providence | 41 49 35 N | 071 30 10 W |
| Johnston Plaza Shopping Center | Locale | 75 | Providence | 41 52 06 N | 071 31 59 W |
| Johnston Senior High School | School | 81 | Providence | 41 49 55 N | 071 30 05 W |
| Jonathan Island | Island | 3 | Washington | 41 24 05 N | 071 30 08 W |
| Jones Ledge | Bench | -3 | Washington | 41 27 45 N | 071 25 12 W |
| Jones Warehouses | Building | 21 | Providence | 41 48 50 N | 071 25 20 W |
| Jongue Pond (historical) | Reservoir | 20 | Providence | 41 47 43 N | 071 26 40 W |
| Joseph Bennett Lot | Cemetery | 22 | Kent | 41 43 06 N | 071 27 01 W |
| Joseph Briggs Lot | Cemetery | 44 | Kent | 41 41 05 N | 071 27 43 W |
| Joseph Brown House | Building | 5 | Providence | 41 49 18 N | 071 24 16 W |
| Joseph Burdick Lot | Cemetery | 24 | Washington | 41 25 03 N | 071 43 52 W |
| Joseph H Gaudet School | School | 55 | Newport | 41 31 57 N | 071 16 55 W |
| Joseph Jenks Junior High School | School | 23 | Providence | 41 52 33 N | 071 22 13 W |
| Judith Pond | Channel | -3 | Washington | 41 24 00 N | 071 29 46 W |
| Jumping Hill | Summit | 16 | Washington | 41 24 11 N | 071 30 43 W |
| Juniper Hill | Summit | 54 | Bristol | 41 40 51 N | 071 15 38 W |
| Juniper Hill Cemetery | Cemetery | 33 | Bristol | 41 40 53 N | 071 16 05 W |
| Juniper Trail Beach | Beach | 1 | Bristol | 41 42 04 N | 071 14 48 W |
| Kay Street-Catherine Street-Old Beach Road Historic District | Park | 3 | Newport | 41 29 38 N | 071 17 58 W |
| Keach Brook | Stream | | Providence | 41 55 08 N | 071 48 45 W |
| Kedinker Island | Island | 9 | Washington | 41 23 50 N | 071 46 02 W |
| Keech Hill | Summit | 194 | Providence | 41 55 04 N | 071 36 56 W |
| Keech Pond | Reservoir | 130 | Providence | 41 52 55 N | 071 41 23 W |
| Keech Pond | Reservoir | 109 | Providence | 41 49 24 N | 071 42 28 W |
| Keech Pond Dam | Dam | 109 | Providence | 41 49 24 N | 071 42 28 W |
| Keeney Quad | Park | 29 | Providence | 41 49 27 N | 071 24 14 W |
| Kelley Brook | Stream | | Kent | 41 36 14 N | 071 45 03 W |
| Kelleys Ferry | Locale | 5 | Bristol | 41 44 15 N | 071 17 22 W |
| Kelly House | Building | 44 | Providence | 41 56 08 N | 071 26 13 W |
| Kendall-Dean School | School | 81 | Providence | 42 00 08 N | 071 34 33 W |
| Kendrick Avenue School | School | 52 | Providence | 42 00 25 N | 071 30 00 W |
| Kennedy Plaza | Park | 2 | Providence | 41 49 30 N | 071 24 40 W |
| Kent (historical) | Populated Place | 87 | Providence | 41 45 22 N | 071 34 58 W |
| Kent Brook | Stream | | Providence | 41 46 06 N | 071 34 32 W |
| Kent Corner | Populated Place | 9 | Providence | 41 46 19 N | 071 21 04 W |
| Kent County | Civil | 76 | Kent | 41 40 00 N | 071 35 58 W |
| Kent County Chamber of Commerce | Building | 9 | Kent | 41 41 58 N | 071 27 35 W |
| Kent County Courthouse | Building | 36 | Kent | 41 39 43 N | 071 27 02 W |
| Kent County Memorial Hospital | Hospital | 43 | Kent | 41 42 18 N | 071 28 40 W |
| Kent County Memorial Hospital Library | Building | 43 | Kent | 41 42 18 N | 071 28 40 W |
| Kent Heights | Populated Place | 33 | Providence | 41 48 10 N | 071 21 49 W |
| Kent Heights School | School | 39 | Providence | 41 48 05 N | 071 21 43 W |
| Kenyon | Populated Place | 31 | Washington | 41 26 49 N | 071 37 32 W |
| Kenyon Grist Mill | Locale | 34 | Washington | 41 30 18 N | 071 36 28 W |
| Kenyon Hill | Summit | 81 | Washington | 41 29 21 N | 071 41 35 W |
| Kenyon Lot | Cemetery | 68 | Washington | 41 31 11 N | 071 44 26 W |
| Kenyon Street School | School | 24 | Providence | 41 49 17 N | 071 25 35 W |
| Keskinen Airport | Airport | 77 | Kent | 41 42 53 N | 071 38 14 W |
| Kettle Bottom Rock | Pillar | 0 | Newport | 41 28 21 N | 071 22 21 W |
| Kettle Corner | Populated Place | 14 | Kent | 41 42 27 N | 071 23 54 W |
| Kettle Hole Pond | Lake | 18 | Washington | 41 32 49 N | 071 29 26 W |
| Kettle Point | Cape | 0 | Providence | 41 47 31 N | 071 22 52 W |
| Kevin K Coleman Elementary School | School | 64 | Providence | 41 59 58 N | 071 31 12 W |
| Keys Memorial Church of God | Church | 6 | Newport | 41 29 29 N | 071 18 47 W |
| Kickamuit River | Stream | | Bristol | 41 41 50 N | 071 14 38 W |
| Kickemuit Middle School | School | 5 | Bristol | 41 43 45 N | 071 15 35 W |
| Kids Quarters Pre-School | School | 12 | Bristol | 41 44 52 N | 071 20 36 W |
| Kiefer Park | Populated Place | 13 | Washington | 41 35 22 N | 071 26 03 W |
| Killingly Pond | Reservoir | 179 | Providence | 41 51 45 N | 071 47 38 W |
| Killy Brook | Stream | | Providence | 41 51 05 N | 071 43 18 W |
| Kimball Reservoir | Reservoir | 105 | Providence | 41 50 17 N | 071 33 54 W |