- umbrella (fashion accessory)
- umbrella (fashion accessory)
- Umbrella Stand
- underclass
- underground
- Underground (cultural style)
- Underground economy
- Underground structure / Underground facility
- underpants
- undershirt / underblouse
- underskirt
- Undertaking (branch of industry)
- underwater photography
- underwear
- unemployed person
- unemployment
- unexposed film (photography)
- uniform (military)
- uniform (profession) / service uniform
- union
- union suit
- universe / outer space
- university education
- Upper class
- urban planning / urban development
- urbanity
- urine
- usability (product feature)
- useful plant (misc.)
- user friendliness (product feature)
- utensils / accessories (misc.) (hardware)
- Utensils / Accessories (Misc.) (Pest Control)
- utensils / accessories (telecommunication)
- Utensils / accessories (various) (transport container)
- utility vehicle (misc.)