- Ucayali Region, Central Peru1 objects
- Ucayali River, Ucayali Region, Central Peru1 objects
- Udaipur district, Rajasthan, India4 objects
- Uganda36 objects
- Ukambani, Kenya4 objects
- Ukiah Rancheria, Ukiah Valley, Mendocino County1 objects
- Ukiah Valley, Mendocino County, California3 objects
- Ukiah, Ukiah Valley, Mendocino County2 objects
- Uloro (near Tilden Fulani), Nigeria6 objects
- Umboi Island, Morobe Province, Momase Region1 objects
- Umuahia, Nigeria3 objects
- United States284 objects
- Upper Egypt3 objects
- Upper Lake, Lake County, California7 objects
- Upper Sepik River, Sandaun Province, Papua New Guinea20 objects
- Upper Yukon River, Yukon-Koyukuk Borough, Alaska1 objects
- Uruachi Municipality, Chihuahua, Mexico1 objects
- Uttar Pradesh, India12 objects