|name = [[Tony Award]] <br> for Best Actress in a Musical
|description = Best Performance by an Actress in a Lead Role in a Musical
|presenter = [[American Theatre Wing]], [[The Broadway League]]
location = [[ New York City]], [[ United States]]
|holder = [[Kelli O'Hara]] for ''[[The King and I]]''
website = [http://www.tonyawards.com/en_US/index.html Tonys.com]
The [[ Tony Award]] for ''' Best Lead Actress in a Musical''' was first presented in 1948 and nominees were not announced until 1956.<ref>Gelb, Arthur. "Popularizing the 'Tony' Awards", ''[[The New York Times]]'', April 1, 1956, p.93</ref>