All pages with prefix
- UF-COinS
- UF-hcal
- UF-hcard-geo
- UF-hcard-person
- UFO-book-stub
- UFOs
- UFOs/doc
- URL
- US-airport-mil
- USA
- USAAF 2d Air Force World War II
- USAAF Training Bases World War II
- USAF Korea
- USAF Tactical Air Command
- US Census population
- US Census population/styles.css
- US Navy navbox
- US county navigation box
- Unbalanced opinion
- Unbalanced opinion/doc
- Unbulleted list
- Uncategorized
- Underused external link template
- United States Air Force
- United States Space Force
- Unsolved
- Unsolved/styles.css
- Update
- Use American English
- Use British English
- Use dmy dates
- Use dmy dates/doc
- Use mdy dates
- Used in system
- Uses TemplateStyles
- Uses Wikidata