- 2 Yawning
- 3 Yeast
- 1 Yeaton & Harris Manufacturing Co.
- 8 Yellow fever
- 3 Yellowstone Lake
- 39 Yellowstone National Park
- 1 Yerkes & Plumb Edge Tool Factory
- 1 Yewdall's Woolen Factory
- 4 Yewdell's Factory
- 1 Yiddish (language)
- 1 Yocom's City Iron & Brass Foundry
- 5 Yokohama, Japan
- 1 Yonkers, New York
- 1 York and London Assurance Office
- 1 York County, Pennsylvania
- 1 York Haven, Pennsylvania
- 1 York Minster, England
- 6 York Street
- 7 York, England
- 1 York, Pennsylvania
- 3 Yorktown Battlefield, Virginia
- 1 Yorktown, Virginia
- 1 Yosemite Valley (Calif.)
- 1 Young & Keim Paper Boxes
- 2 Young & Russell (barrels)
- 5 Young Bacchus (Sculpture)
- 1 Young Ladies Institute
- 40 Young men
- 6 Young Men's Christian associations
- 3 Young smoker (Sculpture)
- 2 Young soldier (Sculpture)
- 3 Young Women's Christian associations
- 2 Young, Charles Mayne, 1777-1856
- 1 Young, John Russell, 1840-1899
- 2 Young, Smyth, Field & Co. (Firm)
- 1 Youth
- 5 Youth as a butterfly (Sculpture)
- 2 Youth centers
- 3 Youth orchestras
- 2 Youth organizations
