The 2015 Gershwin Award nominees for Best Leading Actress in a musical are:
| Nominee | School | County | Role | Show |
| Sydney Aherne | Nyack High School | Orange County | Marian Paroo | The Music Man |
| Roxanne Arecco | Hendrick Hudson High School | Westchester | Mayzie | Seussical |
| Gianna Chuppe | Susan E Wagner High School | Staten Island | Jo March | Little Woman |
| Sophia Condon | New Dorp High School | Staten Island | Patrice | 13 |
| Olivia Dowden | South Side High School | Long Island | Janet Van DeGraff | Drowsy Chaperone |
| Joelle Encarnacion | Mount St. Michael High School | The Bronx | Nina | In th Heights |
| Monica Fox | North Babylon High School | Long Island | Mame | Mame |
| Liana Frasca | Pleasantville High School | Westchester | Aldonza | Man of La Mancha |
| Lily Ganser | LaGuardia High School of Performing Arts | Manhattan | Julie Jordan | Carousel |
| Kelly Gragossian | Great Neck South High School | Long Island | Matron Mama Morton | Chicago |
| Karina Houssein | William Cullen Bryant High School | Queens | Audrey | Little Shop of Horrors |
| Alexa Joseph | Hauppauge High School | Long Island | Christine Colgate | Dirty Rotten Scoundrels |
| Sandra Kralik | Brooklyn Tech High School | Brooklyn | Logainne Schwartzandgrubenierre | The 25th Annual Putnam County Spelling Bee |
| Nina Leeds | Townsend Harris High School | Queens | Elle Woods | Legally Blonde |
| Sarah Liddy | Pelham Memorial High School | Westchester | Rose | Gypsy |
| Marla Louissaint | The Beacon School | Manhattan | Caroline Thibodeaux | Caroline, or Change |
| Alexa Luchesse | West Babylon High School | Long Island | Dorothy | The Wizard of Oz |
| Samantha Malvey | Cornwall Central High School | Orange County | Elle Woods | Legally Blonde |
| Gianna Prignano | Archbishop Stepinac High School | Westchester | Mrs. Wilkinson | Billy Elliot |
| Lauren Richman | Rye Neck High School | Westchester | Marian Paroo | The Music Man |
| Briana Sky Riley | Poly Prep Country Day School | Brooklyn | Fantine | Les Miserables |
| Gianna Roccaro | St. Joseph Hill Academy | Staten Island | Dolly Gallagher Levi | Hello, Dolly! |
| Julia Rotondo | Christ the King High School | Queens | Dorothy | The Wizard of Oz |
| Tristan Rowley | Oceanside High School | Long Island | Marian Paroo | The Music Man |
| Jamie Telamo | Talent Unlimited High School | Manhattan | Jo March | Little Woman |
The 2015 Gershwin Award nominees for Best Leading Actor in a musical are:
| Name | School | County | Role | Show |
| Mikael Buchnavage | Rye Neck High School | Westchester | Harold Hill | The Music Man |
| Gregory Carey | Hendrick Hudson High School | Westchester | Horton | Seussical |
| Stephen DeRosa | Cornwall Central High School | Orange County | Emmett Forrest | Legally Blonde |
| Marc Desanctis | Archbishop Stepinac High School | Westchester | Billy Elliot | Billy Elliot |
| Jonathan DeTullio | South Side High School | Long Island | Robert Martin | Drowsy Chaperone |
| Andrew Galloza | Mount St. Michael High School | Bronx | Usnavi | In the Heights |
| Shane Goldstein | Oceanside High School | Long Island | Harold Hill | The Music Man |
| Abraham Gonzalez | Talent Unlimited High School | Manhattan | William Marris Barfee | The 25th Annual Putnam County Spelling Bee |
| Jonathan Davila Gonzalez | Northside Charter High School | Brooklyn | William Marris Barfee | The 25th Annual Putnam County Spelling Bee |
| Joseph Gottfried | Susan E Wagner High School | Staten Island | Laurie | Little Women |
| Ryan Koerber | St. John the Baptist Diocesan High School | Long Island | Ren | Footloose |
| Joseph Konnaris | William Cullen Bryant High School | Queens | Seymour | Little Shop of Horrors |
| Maximilian Lamadrid | Christ the King High School | Queens | Scarecrow | The Wizard of Oz |
| James McCarthy | Pleasantville High School | Westchester | Don Quixote | Man of La Mancha |
| Anthony Olivia | New Dorp High School | Staten Island | Evan | 13 |
| Giancarlo Pinzo | Frank Sinatra School of the Arts | Queens | Roger | Rent |
| Billy Recce | Hauppauge High School | Long Island | Lawrence Jamison | Dirty Rotten Scoundrels |
| Maxwell Rillen | Mount St. Michael High School | Bronx | Benny | In the Heights |