Pennsylvania - Area of significance: Architecture
| Wyck House |
| Wycombe Village Historic District |
| Wyncote Historic District |
| Wynnestay |
| Wyoming Monument |
| Wyoming Seminary |
| Yardley Historic District |
| Yeakle and Miller Houses |
| Yeates, Jasper, House |
| YMCA of Germantown |
| Yoder Mill |
| York Armory |
| York Central Market |
| York Dispatch Newspaper Offices |
| York Historic District |
| York Meetinghouse |
| Young, Joseph, House |
| Young Men's Christian Association |
| Young, Robert, House |
| Young, Smyth, Field Company Building |
| Yuengling, Frank D., Mansion |
| Zeigler, John, Farm House |
| Zeller, Heinrich, House |
| Zembo Shrine |
| Zeta Psi Fraternity House |
| Zimmerman, Daniel B., Mansion |
| Zimmermann, Marie, Farm |
| Zion Baptist Church and Educational Annex |
| Zion Lutheran Church |
| Zion Lutheran Church and Graveyard |
| Zion Reformed Church |
| Zion Stone Church |
| Zollinger-Harned Company Building |
| Zook House |
| Zook House |
| Zook, Jacob, House |
Data from United States Park Service and Wikidata
