Oregon - Significance region: Local
| Washburne Historic District |
| Washington Elementary School |
| Washington High School |
| Washington Park Reservoirs Historic District |
| Watkins, J. F., House |
| Watson, John N. and Cornelia, House |
| Watson-Price Farmstead |
| Watts, James Grant, House |
| Watts, M. L., House |
| Waucoma Hotel |
| Waverley Country Club Clubhouse |
| Weaver-Worthington Farmstead |
| Webb, Alfred, Investment Properties |
| Weinhard Brewery Complex |
| Weinstein, Clara and Samuel B., House |
| Weist Apartments |
| Welch, Mathias, House |
| Wells Fargo Building |
| Wells, George A., Jr., House |
| Wells-Guthrie House |
| Wells, William Bittle, House |
| Wennerberg, John B., Barn |
| Wesely, Joseph, House and Barn |
| West Coast Woods Model Home |
| West, Nathaniel, Buildings |
| Weston Commercial Historic District |
| Weston School |
| West Salem City Hall, Old |
| West's Block |
| West Side Feed and Sale Stable |
| Whaleback Snow-Survey Cabin |
| Wheeldon Annex |
| Wheeldon Apartment Building |
| Wheeler, Cora Bryant, House |
| Wheeler, J. A., House |
| Whidden-Kerr House and Garden |
| Whisky Creek Cabin |
| White, Catherine, House |
| Whited, Harry L., House |
| White, Isam, House |
| White John B., House |
| Whiteside, Charles and Ibby, House |
| Whiteside Theatre |
| Whitney and Gray Building and Jake's Famous Crawfish Restaurant |
| Whittle Garage Building |
| Wickersham Apartments |
| Wienecke, Emil and Ottilie, House |
| Wigle, Abraham and Mary, House |
| Wigle Cemtery |
| Wigle, Jacob and Maranda K., Farmstead |
| Wilcox Building |
| Wilcox, Theodore B., Country Estate |
| Wilder Apartments |
| Wilkinson-Swem Building |
| Willakenzie Grange Hall |
| Willamette Community and Grange Hall |
| Willamette Historic District |
| Willamette Valley and Coast Railroad Depot-Corvallis |
| Williams Avenue YWCA |
| Williams, C. S., House |
| Williams, George H., Townhouses |
| Williams, Lew, Chevrolet Dealership |
| Willis, Judge William R., House |
| Willow Prairie Cabin |
| Wilson, A.K., Building |
| Wilson, Andrew P., House |
| Wilson-Chambers Mortuary |
| Wilson, James O., House |
| Wilson-South House |
| Wilson, William T.E., Homestead |
| Wilson, Woodrow, Junior High School |
| Wimer Ditch |
| Wimer, James, Octagonal Barn |
| Winchester Dam |
| Winn Barn |
| Winston, William C. and Agnes, House |
| Witten, T.M., and Emma, Drug Store-House |
| Witzel, Robert, House |
| Woerner, Louis and Elizabeth, House |
| Women's Civic Improvement Clubhouse |
| Woodbine Cemetery-Green Mountain Cemetery |
| Woodlark Building |
| Woodmen of the World Hall |
| Woods and Caples General Store |
| Woodward, Elias, House |
| Woolen, Isaac, House |
| Working, James W., Flats |
| Wortman, H. C., House |
| Wrangle Gap Shelter |
| Yale Union Laundry Building |
| Yamhill River Lock and Dam |
| Yeon Building |
| Yeon, John, Speculative House |
| Young, Andrew, House |
| Young, Benjamin, House and Carriage House |
| Young, John Eben, House |
| Young, John Quincy Adams and Elizabeth, House |
| Z.C.B.J. Tolstoj Lodge No. 224 |
| Zimmerman, Jacob, House |
| Zimmerman-Rudeen House |
Data from United States Park Service and Wikidata
