Baby names that start with the letter "U" are considered unusual but cool. Despite being the least common initial in American baby names, some "U" names have been trending upwards. This is mainly due to the popularity of the long "U" sound, which parents are drawn to over the short "U" sound. The letter "U" is associated with powerful figures like Ulysses S. Grant, Uma Thurman, Uzo Aduba, Usher Raymond, and Usain Bolt. Here are 200 baby names that start with "U" for consideration.