Rachel Sheinkin is an American playwright and screenwriter, best known for her work in musical theater. She gained significant recognition for her Tony Award-winning book for the musical The 25th Annual Putnam County Spelling Bee, which premiered on Broadway in 2005. In addition to her work on Spelling Bee, Sheinkin has contributed to various other theatrical productions and has written for television. Her writing often features humor and relatable characters, making her a prominent figure in contemporary American theater.