Outer Critics Circle Award for Outstanding Book of a Musical
The Outer Critics Circle Award for Outstanding Book of a Musical is an annual award given to the author of the best book of a musical on Broadway or Off-Broadway, as determined by Outer Critics Circle. The award has been given out since the 2011–2012 season.
Since its inception, no author has been nominated more than twice. Robert Horn has won the award the most times, with two wins for Tootsie and Shucked.