Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Wilkesboro | Populated Place | 64 | Washington | 45 36 31 N | 123 05 45 W |
| Wilkesboro Post Office (historical) | Post Office | 64 | Washington | 45 36 31 N | 123 05 45 W |
| Wilkins (historical) | Locale | 109 | Lane | 44 11 36 N | 123 05 13 W |
| Wilkins Creek | Stream | | Baker | 44 39 25 N | 117 13 29 W |
| Wilkins Creek | Stream | | Douglas | 43 36 45 N | 124 06 43 W |
| Wilkins Creek | Stream | | Umatilla | 45 07 48 N | 118 57 52 W |
| Wilkinson Creek | Stream | | Benton | 44 18 49 N | 123 44 40 W |
| Will Rogers Spring | Spring | 1369 | Union | 45 40 04 N | 118 02 22 W |
| Willa Lake | Reservoir | 67 | Marion | 44 55 39 N | 122 56 18 W |
| Willagillespie School | School | 127 | Lane | 44 04 17 N | 123 05 58 W |
| Willakenzie School | School | 129 | Lane | 44 04 56 N | 123 03 44 W |
| Willamalane Park | Park | 141 | Lane | 44 03 10 N | 123 00 23 W |
| Willamette | Populated Place | 51 | Clackamas | 45 20 39 N | 122 40 01 W |
| Willamette Center Heliport | Airport | 12 | Multnomah | 45 31 01 N | 122 40 25 W |
| Willamette City | Populated Place | 342 | Lane | 43 44 46 N | 122 29 05 W |
| Willamette City Park | Park | 67 | Benton | 44 32 18 N | 123 15 01 W |
| Willamette Cove | Park | 4 | Multnomah | 45 34 56 N | 122 45 12 W |
| Willamette Divide Trail | Trail | 1137 | Lane | 43 44 00 N | 122 35 41 W |
| Willamette Falls | Falls | 17 | Clackamas | 45 21 04 N | 122 37 19 W |
| Willamette Falls Community Hospital Heliport | Airport | 75 | Clackamas | 45 21 27 N | 122 35 09 W |
| Willamette Falls Dam | Dam | 18 | Clackamas | 45 21 11 N | 122 36 52 W |
| Willamette Falls Hydroelectric Power Reservoir | Reservoir | 18 | Clackamas | 45 21 11 N | 122 36 52 W |
| Willamette Falls Viewpoint | Locale | 97 | Clackamas | 45 21 07 N | 122 37 47 W |
| Willamette Fish Hatchery | Locale | 377 | Lane | 43 44 34 N | 122 26 39 W |
| Willamette Forks Post Office (historical) | Post Office | 125 | Lane | 44 06 44 N | 123 03 29 W |
| Willamette Heights | Populated Place | 85 | Multnomah | 45 32 06 N | 122 43 03 W |
| Willamette Heights Park | Park | 231 | Lane | 44 02 21 N | 123 01 15 W |
| Willamette High School | School | 118 | Lane | 44 04 53 N | 123 09 58 W |
| Willamette Log Pond | Lake | 199 | Linn | 44 24 19 N | 122 39 54 W |
| Willamette Log Pond | Reservoir | 94 | Polk | 44 54 49 N | 123 18 54 W |
| Willamette Memorial Park | Park | 77 | Linn | 44 39 59 N | 123 03 55 W |
| Willamette Mission State Park | Park | 35 | Marion | 45 04 31 N | 123 03 00 W |
| Willamette National Cemetery | Cemetery | 237 | Multnomah | 45 27 43 N | 122 32 32 W |
| Willamette National Forest | Forest | 948 | Lane | 44 15 00 N | 122 00 05 W |
| Willamette National Forest Headquarters | Building | 130 | Lane | 44 03 09 N | 123 05 19 W |
| Willamette National Lumber Company Dam | Dam | 199 | Linn | 44 24 17 N | 122 39 46 W |
| Willamette National Lumber Company Reservoir | Reservoir | 199 | Linn | 44 24 17 N | 122 39 46 W |
| Willamette Park | Park | 27 | Clackamas | 45 20 24 N | 122 39 09 W |
| Willamette Park & Boat Ramp | Park | 4 | Multnomah | 45 28 27 N | 122 40 08 W |
| Willamette Pass | Gap | 1562 | Klamath | 43 36 01 N | 122 02 17 W |
| Willamette Pass Ski Area | Locale | 1643 | Klamath | 43 36 06 N | 122 01 54 W |
| Willamette Post Office (historical) | Post Office | 51 | Clackamas | 45 20 39 N | 122 40 01 W |
| Willamette Post Office (historical) | Post Office | 31 | Yamhill | 45 09 59 N | 123 01 04 W |
| Willamette River | Stream | | Multnomah | 45 39 10 N | 122 45 53 W |
| Willamette River Airstrip | Airport | 3 | Multnomah | 45 33 19 N | 122 42 34 W |
| Willamette School | School | 59 | Clackamas | 45 20 34 N | 122 39 10 W |
| Willamette Slough | Stream | | Marion | 44 56 34 N | 123 02 39 W |
| Willamette Slough Post Office (historical) | Post Office | 6 | Multnomah | 45 38 01 N | 122 49 19 W |
| Willamette Stone | Locale | 293 | Multnomah | 45 31 10 N | 122 44 37 W |
| Willamette Stone State Park | Park | 296 | Multnomah | 45 31 11 N | 122 44 37 W |
| Willamette University | School | 50 | Marion | 44 56 10 N | 123 01 50 W |
| Willamette Valley | Valley | | Multnomah | 45 30 00 N | 122 30 05 W |
| Willamette Valley Country Club | Locale | 40 | Clackamas | 45 16 59 N | 122 41 04 W |
| Willamina | Populated Place | 71 | Yamhill | 45 04 43 N | 123 29 09 W |
| Willamina Cemetery | Cemetery | 88 | Polk | 45 04 24 N | 123 29 09 W |
| Willamina Creek | Stream | | Yamhill | 45 04 42 N | 123 28 33 W |
| Willamina Elementary and Middle School | School | 101 | Yamhill | 45 05 05 N | 123 28 39 W |
| Willamina High School | School | 71 | Yamhill | 45 04 34 N | 123 29 01 W |
| Willamina Post Office | Post Office | 71 | Yamhill | 45 04 43 N | 123 29 09 W |
| Willamina Reservoir | Reservoir | 71 | Yamhill | 45 04 29 N | 123 28 54 W |
| Willams Ditch | Canal | 1076 | Harney | 43 48 10 N | 118 19 54 W |
| Willanch Creek | Stream | | Coos | 43 24 22 N | 124 09 35 W |
| Willanch Inlet | Bay | 7 | Coos | 43 24 14 N | 124 11 39 W |
| Willanch Slough | Stream | | Coos | 43 24 14 N | 124 11 39 W |
| Willard (historical) | Populated Place | 59 | Douglas | 43 37 59 N | 124 07 39 W |
| Willard (historical) | Populated Place | 172 | Marion | 44 56 34 N | 122 48 09 W |
| Willard Park Path | Park | 69 | Washington | 45 28 54 N | 122 50 28 W |
| Willard Post Office (historical) | Post Office | 59 | Douglas | 43 37 59 N | 124 07 39 W |
| Willard Post Office (historical) | Post Office | 172 | Marion | 44 56 34 N | 122 48 09 W |
| Willard School | School | 143 | Lane | 44 01 38 N | 123 05 45 W |
| Willards Dam | Dam | 366 | Marion | 44 57 17 N | 122 40 52 W |
| Willards Pool | Lake | 366 | Marion | 44 57 17 N | 122 40 52 W |
| Willbridge | Locale | 19 | Multnomah | 45 33 42 N | 122 44 38 W |
| Willbridge Siding (historical) | Locale | 11 | Multnomah | 45 34 19 N | 122 45 18 W |
| William Creek | Stream | | Curry | 42 28 14 N | 124 20 39 W |
| William Creek | Stream | | Lincoln | 44 43 26 N | 123 44 51 W |
| William Creek | Stream | | Wheeler | 44 45 08 N | 119 54 32 W |
| William D Bradley Cemetery | Cemetery | 236 | Douglas | 42 56 58 N | 123 18 45 W |
| William Knight School | School | 48 | Clackamas | 45 15 54 N | 122 41 54 W |
| William L Finley National Wildlife Refuge | Park | 81 | Benton | 44 24 32 N | 123 19 18 W |
| William M Tugman State Park | Park | 41 | Coos | 43 36 04 N | 124 10 34 W |
| William Miller Creek | Stream | | Curry | 42 29 52 N | 124 15 39 W |
| William Miller Riffle | Rapids | 13 | Curry | 42 30 07 N | 124 15 54 W |
| William P Keady Wayside | Park | 5 | Lincoln | 44 25 24 N | 124 04 14 W |
| William S Fort Memorial Park | Park | 155 | Lane | 44 02 56 N | 122 55 38 W |
| William Spring | Spring | 1099 | Malheur | 43 41 28 N | 118 07 24 W |
| William V Owens Sports Complex | Park | 5 | Multnomah | 45 36 04 N | 122 40 54 W |
| Williams | Populated Place | 428 | Josephine | 42 13 07 N | 123 16 26 W |
| Williams (historical) | Locale | 192 | Linn | 44 46 21 N | 122 41 19 W |
| Williams and Whalen Ditch | Canal | 368 | Jackson | 42 32 59 N | 123 07 33 W |
| Williams Butte | Summit | 375 | Lane | 43 54 29 N | 122 50 34 W |
| Williams Canyon | Valley | | Harney | 42 15 51 N | 118 40 20 W |
| Williams Canyon | Valley | | Morrow | 45 27 13 N | 119 57 39 W |
| Williams Canyon | Valley | | Yamhill | 45 25 53 N | 123 11 55 W |
| Williams Cemetery | Cemetery | 91 | Polk | 44 44 49 N | 123 19 54 W |
| Williams Charco | Lake | 1313 | Malheur | 43 39 08 N | 118 10 41 W |
| Williams Crater | Summit | 2315 | Klamath | 42 57 13 N | 122 10 48 W |
| Williams Creek | Stream | | Baker | 44 38 05 N | 117 19 23 W |
| Williams Creek | Stream | | Baker | 44 51 47 N | 117 59 01 W |
| Williams Creek | Stream | | Benton | 44 18 23 N | 123 28 13 W |
| Williams Creek | Stream | | Coos | 42 57 39 N | 124 20 10 W |
| Williams Creek | Stream | | Douglas | 43 35 37 N | 123 31 47 W |
| Williams Creek | Stream | | Douglas | 43 24 44 N | 123 21 24 W |
| Williams Creek | Stream | | Douglas | 43 20 18 N | 122 45 54 W |
| Williams Creek | Stream | | Douglas | 43 16 15 N | 123 03 04 W |
| Williams Creek | Stream | | Josephine | 42 17 47 N | 123 14 15 W |
| Williams Creek | Stream | | Lane | 43 42 24 N | 123 04 37 W |
| Williams Creek | Stream | | Lincoln | 44 48 09 N | 124 03 49 W |
| Williams Creek | Stream | | Washington | 45 41 55 N | 123 11 45 W |
| Williams Creek (historical) | Populated Place | 369 | Jackson | 42 16 14 N | 123 12 49 W |