One international organization that begins with the letter 'u' is United Nations Children's Fund (UNICEF). Another organization is the United Nations.
Ulster
Some words to describe a person beginning with the letter U are:ubiquitousUGLYunbelievableUkrainianUncleunctuousunderstandinguniqueunlikelyunluckyunrulyunusual
Uljana Semjonova is a retired Russian basketball player. She was one of the leading woman's basketball players in the world.
UNO (fiat)
Urchin
The United Nations
The United Nations is an international organization that begins with the letter U.
A male name that starts with a U is Uriah.
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· Unicorn Fish
UV blue
Umber, ultramarine
Ulster
There hasn't been one with three letters beginning in u and ending in n.
Uriwan, Uma, Ursula or Ursuline are some that I can think of.
Ushanka is a Russian fur cap. It begins with u How about UNDERWEAR?
Carrie Underwood is a famous singer. Her name begins with the letter U.