Yakima, Washington 
Yakutat, Alaska 
Yankton, South Dakota 
Yazoo Basin, Mississippi 
Yazoo City, Mississippi 
Yellowstone Lake, Wyoming 
Yellowstone N.P., Idaho 
Yellowstone N.P., Montana 
Yellowstone N.P., Wyoming 
Yellowstone River, Montana 
Yerington, Nevada 
Yonkers, New York 
York, Nebraska 
York, Pennsylvania 
Yosemite N.P., California 
Young, Brigham 
Young, Whitney M. 
Youngstown, Ohio 
Yreka, California 
Yuba City, California 
Yukon River, Alaska 
Yuma, Arizona