O Tony Award para Melhor atriz coadjuvante em um musical é um prêmio que tem sido ofertado desde 1950. O mesmo não foi presenteado nas três primeiras cerimônias da premiação, sendo que os indicados só passaram a ser publicitados a partir de 1956.
Vencedores e indicados
1950s Ano Atriz Musical Personagem 1950 Juanita Hall South Pacific Bloody Mary 1951 Isabel Bigley Guys and Dolls Sarah Brown 1952 Helen Gallagher Pal Joey Gladys Bumps 1953 Sheila Bond Wish You Were Here Fay Fromkin 1954 Gwen Verdon Can-Can Claudine 1955 Carol Haney The Pajama Game Gladys Hotchkiss 1956 Lotte Lenya The Threepenny Opera Jenny Rae Allen Damn Yankees Gloria Thorpe Pat Carroll Catch a Star Diversos personagens Judy Tyler Pipe Dream Suzy 1957 Edie Adams Lil' Abner Daisy Mae Virginia Gibson Happy Hunting Beth Livingstone Irra Petina Candide The Old Lady Jo Sullivan The Most Happy Fella Rosabella 1958 Barbara Cook The Music Man Marian Paroo Susan Johnson Oh, Captain! Mae Carol Lawrence West Side Story Maria Jackie McKeever Oh, Captain! Mrs. Maud St.James Josephine Premice Jamaica Ginger 1959 Pat Stanley Goldilocks Lois Lee Julienne Marie Whoop-Up Mary Champlain
1960 Ano Atriz Musical Personagem 1960 Patricia Neway The Sound of Music Virgilia]] Sandra Church Gypsy Louise Pert Kelton Greenwillow Gramma Briggs Lauri Peters The Sound of Music Liesl von Trapp 1961 Tammy Grimes The Unsinkable Molly Brown Molly Tobin Nancy Dussault Do Re Mi Tilda Mullen Chita Rivera Bye Bye Birdie Rosie Alvarez 1962 Phyllis Newman Subways Are For Sleeping Martha Vail Elizabeth Allen The Gay Life Magda Barbara Harris From the Second City Diversos personagens Barbra Streisand I Can Get It for You Wholesale Miss Marmelstein 1963 Anna Quayle Stop the World – I Want to Get Off Evie / Anya / Ilse / Ginnie Ruth Kobart A Funny Thing Happened on the Way to the Forum Domina Virginia Martin Little Me Young Belle Poitrine Louise Troy Tovarich Natalia Mayovskaya 1964 Tessie O'Shea The Girl Who Came to Supper Ada Cockle Julienne Marie Foxy Celia Kay Medford Funny Girl Rose Brice Louise Troy High Spirits Ruth Condomine 1965 Maria Karnilova Fiddler on the Roof Golde Luba Lisa I Had a Ball | Addie |- | Carrie Nye | Half a Sixpence Helen Walsingham Barbara Windsor Oh, What a Lovely War! Diversos personagens 1966 Bea Arthur Mame Vera Charles Helen Gallagher Sweet Charity Nickie Patricia Marand It's a Bird...It's a Plane...It's Superman Lois Lane Charlotte Rae Pickwick Mrs. Bardell 1967 Peg Murray Cabaret Fraulein Kost Leland Palmer A Joyful Noise Miss Jimmie Josephine Premice A Hand Is on the Gate Diversos personagens Susan Watson A Joyful Noise Jenny Lee 1968 Lillian Hayman Hallelujah, Baby! Momma Geula Gill The Grand Music Hall of Israel Diversos personagens Julie Gregg The Happy Time Laurie Mannon Alice Playten Henry, Sweet Henry Lillian 'Lili' Kafritz 1969 Marian Mercer Promises, Promises Marge MacDougall Sandy Duncan Canterbury Tales Molly / Allison / May / The Sweetheart Lorraine Serabian Zorba Leader Virginia Vestoff 1776 Abigail Adams
1970s Ano Atriz Musical Personagem 1970 Melba Moore Purlie Lutiebell Gussie Mae Jenkins Bonnie Franklin Applause | Bonnie the Gypsy |- | Penny Fuller | Eve Harrington |- | Melissa Hart | Georgy| Meredith |- | rowspan="4" align="center"| 1971 |- style="background:#B0C4DE" | Patsy Kelly | No, No, Nanette| Pauline |- | Barbara Barrie | rowspan="2"| Company| Sarah |- | Pamela Myers | Marta |- | rowspan="5" align="center"| 1972 |- style="background:#B0C4DE" | Linda Hopkins | Inner City| Diversos personagens |- | Adrienne Barbeau | Grease| Betty Rizzo |- | Bernadette Peters | On the Town| Hildy Esterhazy |- | Beatrice Winde | Ain't Supposed to Die a Natural Death| Diversos Personagens |- | rowspan="5" align="center"| 1973 |- style="background:#B0C4DE" | Patricia Elliott | A Little Night Music| Countess Charlotte Malcolm |- | Hermione Gingold | A Little Night Music| Madame Armfeldt |- | Patsy Kelly | Irene| Mrs. O'Dare |- | Irene Ryan | Pippin| Berthe |- | rowspan="6" align="center"| 1974 |- style="background:#B0C4DE" | Janie Sell | Over Here!| Mitzi |- | Leigh Beery | Cyrano| Roxana |- | Maureen Brennan | rowspan="2"| Candide| Cunégonde |- | June Gable | The Old Lady |- | Ernestine Jackson | Raisin| Ruth Younger |- | rowspan="7" align="center"| 1975 |- style="background:#B0C4DE" | Dee Dee Bridgewater | The Wiz| Glinda |- | Susan Browning | Goodtime Charley| Agnès Sorel |- | Zan Charisse | Gypsy| Louise |- | Taina Elg | Where's Charley?| Donna Lucia D'Alvadorez |- | Kelly Garrett | The Night That Made America Famous| Diversos personagens |- | Donna Theodore | Shenandoah| Ann Anderson |- | rowspan="5" align="center"| 1976 |- style="background:#B0C4DE" | Kelly Bishop | A Chorus Line| Sheila Bryant |- | Priscilla Lopez | A Chorus Line| Diana Morales |- | Patti LuPone | The Robber Bridegroom| Rosamund Musgrove |- | Virginia Seidel | Very Good Eddie| Elsie Darling |- | rowspan="5" align="center"| 1977 |- style="background:#B0C4DE" | Delores Hall | Your Arms Too Short to Box with God| Diversos personagens |- | Ellen Greene | The Threepenny Opera| Jenny |- | Millicent Martin | rowspan="2"| Side by Side by Sondheim| Diversos personagens |- | Julia McKenzie | Diversos personagens |- | rowspan="5" align="center"| 1978 |- style="background:#B0C4DE" | Nell Carter | Ain't Misbehavin'| Nell |- | Imogene Coca | On the Twentieth Century| Letitia Primrose |- | Ann Reinking | Dancin'| Diversos personagens |- | Charlayne Woodard | Ain't Misbehavin| Charlayne |- | rowspan="5" align="center"| 1979|- style="background:#B0C4DE" | Carlin Glynn | The Best Little Whorehouse in Texas | Mona Stangley |- | Joan Ellis | The Best Little Whorehouse in Texas | Shy |- | Millicent Martin | King of Hearts | Madame Madeleine |- | Maxine Sullivan | My Old Friends | Mrs. Cooper
1980s Ano Atriz Musical Personagem 1980 Priscilla Lopez A Day in Hollywood / A Night in the Ukraine Gino / Usherette Debbie Allen West Side Story Anita Glenn Close Barnum Charity 'Chairy' Josie de Guzman West Side Story Maria 1981 Marilyn Cooper Woman of the Year Jan Donovan Phyllis Hyman Sophisticated Ladies Diversos personagens Wanda Richert 42nd Street Peggy Sawyer Lynne Thigpen Tintypes Sussanah 1982 Liliane Montevecchi Nine Liliane La Fleur Karen Akers Nine Luisa Contini Laurie Beechman Joseph and the Amazing Technicolor Dreamcoat Narrador Anita Morris Nine Carla Albanese 1983 Betty Buckley Cats Grizabella Christine Andreas On Your Toes Frankie Frayne Karla Burns Show Boat Queenie Denny Dillon My One and Only Mickey 1984 Lila Kedrova Zorba Madame Hortense Martine Allard The Tap Dance Kid Emma Liz Callaway Baby Lizzie Fields Dana Ivey Sunday in the Park with George Yvonne / Naomi Eisen 1985 Leilani Jones Grind Satin Evalyn Baron Quilters Filha Mary Beth Peil The King and I Anna Leonowens Lenka Peterson Quilters Sarah 1986 Bebe Neuwirth Sweet Charity Nickie Patti Cohenour The Mystery of Edwin Drood Rosa Bud / Deirdre Peregrine Jana Schneider Helena Landless / Janet Conover Elisabeth Welch Jerome Kern Goes to Hollywood Diversos personagens 1987 Frances Ruffelle Les Misérables Éponine Jane Connell Me and My Girl Duchess Maria Judy Kuhn Les Misérables Cosette Jane Summerhays Me and My Girl Jaqueline 'Jackie' Carstone 1988 Judy Kaye The Phantom of the Opera Carlotta Guidicelli Leleti Khumalo Sarafina! Sarafina Alyson Reed Cabaret Sally Bowles Regina Resnik Fraulein Schneider 1989 Debbie Gravitte Jerome Robbins' Broadway Hildy Esterhazy / Mazeppa / Rosalia / Company Jane Lanier Jerome Robbins' Broadway Diversos personagens Faith Prince Ma / Tessie / Company Julie Wilson Legs Diamond Flo
1990s Ano Atriz Musical Personagem 1990 Randy Graff City of Angels Oolie / Donna Jane Krakowski Grand Hotel Freida Flamm / Flaemmchen Kathleen Rowe McAllen Aspects of Love Giulietta Trapani Crista Moore GypsyLouise 1991 Daisy EaganThe Secret Garden Mary Lennox Alison FraserThe Secret Garden Martha Sowerby Cady Huffman The Will Rogers Follies Preferidas de Ziegfeld LaChanze Once on This Island Ti Moune 1992 Tonya Pinkins Jelly's Last Jam Anita Liz Larsen The Most Happy Fella Cleo Vivian Reed The High Rollers Social and Pleasure Club Enchantress Barbara Walsh Falsettos Trina 1993 Andrea Martin My Favorite Year Alice Miller Marcia Mitzman Gaven The Who's Tommy Nora Walker Jan Graveson Blood Brothers Linda Lainie Kazan My Favorite Year Belle Carroca 1994 Audra McDonald Carousel Carrie Pipperidge Snow Marcia Lewis Grease Miss Lynch Sally Mayes She Loves Me Ilona Ritter Marin Mazzie Passion Clara 1995 Gretha Boston Show Boat Queenie Brenda Braxton Smokey Joe's Cafe Diversos personagens B.J. Crosby DeLee Lively 1996 Ann Duquesnay Bring in 'da Noise, Bring in 'da Funk 'da Singer / The Chanteuse Joohee Choi The King and I Tuptim Veanne Cox Company Amy Idina Menzel Rent Maureen Johnson 1997 Lillias White The Life Sonja Marcia Lewis Chicago Matron Mama Morton Andrea Martin Candide The Old Lady Debra Monk Steel Pier Shelby Stevens 1998 Audra McDonald Ragtime Sarah Anna Kendrick High Society Dinah Lord Tsidii Le Loka The Lion King Rafiki Mary Louise Wilson Cabaret Fraulein Schneider 1999 Kristin Chenoweth You're a Good Man, Charlie Brown Sally Brown Gretha Boston It Ain't Nothin' But the Blues Diversos personagens Valerie Pettiford Fosse Diversos personagens Mary Testa On the Town Madame Maude P. Dilly
2000s {| class="wikitable" style="width:98%;" |- style="background:#bebebe;" ! style="width:11%;"| Ano ! style="width:27%;"| Atriz ! style="width:33%;"| Musical ! style="width:29%;"| Personagem |- | rowspan="6" align="center"| 2000|- style="background:#B0C4DE" | Karen Ziemba | Contact | Wife |- | Laura Benanti | rowspan="2"| Swing! | Diversos personagens |- | Ann Hampton Callaway | Diversos personagens |- | Eartha Kitt | The Wild Party | Dolores |- | Deborah Yates | Contact | Gina Minetti |- | rowspan="6" align="center"| 2001|- style="background:#B0C4DE" | Cady Huffman | The Producers | Ulla |- | Polly Bergen | Follies | Carlotta Campion |- | Kathleen Freeman | The Full Monty | Jeanette Burmeister |- | Kate Levering | rowspan="2"| 42nd Street | Peggy Sawyer |- | Mary Testa | Maggie Jones |- | rowspan="6" align="center"| 2002|- style="background:#B0C4DE" | Harriet Sansom Harris | Thoroughly Modern Millie | Mrs. Meers |- | Laura Benanti | Into the Woods | Cinderella |- | Spencer Kayden | Urinetown | Little Sally |- | Judy Kaye | Mamma Mia! | Rosie Mulligan |- | Andrea Martin | Oklahoma! | Aunt Eller |- | rowspan="6" align="center"| 2003|- style="background:#B0C4DE" | Jane Krakowski | Nine | Carla Albanese |- | Tammy Blanchard | Gypsy | Louise |- | Mary Stuart Masterson | rowspan="2"| Nine | Luisa Contini |- | Chita Rivera | Liliane La Fleur |- | Ashley Tuttle | Movin' Out | Judy |- | rowspan="6" align="center"| 2004|- style="background:#B0C4DE" | Anika Noni Rose | Caroline, or Change | Emmie Thibodeaux |- | Beth Fowler | rowspan="2"| The Boy from Oz | Marion Woolnough |- | Isabel Keating | Judy Garland |- | Jennifer Westfeldt | Wonderful Town | Eileen Sherwood |- | Karen Ziemba | Never Gonna Dance | Mabel Pritt |- | rowspan="6" align="center"| 2005|- style="background:#B0C4DE" | Sara Ramirez | Spamalot | Lady of the Lake |- | Joanna Gleason | Dirty Rotten Scoundrels | Muriel Eubanks |- | Celia Keenan-Bolger | The 25th Annual Putnam County Spelling Bee | Olive Ostrovsky |- | Jan Maxwell | Chitty Chitty Bang Bang | Baroness Bomburst |- | Kelli O'Hara | The Light in the Piazza | Clara Johnson |- | rowspan="6" align="center"| 2006'|- style="background:#B0C4DE" | Beth Leavel | The Drowsy Chaperone| The Drowsy Chaperone / Beatrice Stockwell |- | Carolee Carmello | Lestat| Gabrielle de Lioncourt |- | Felicia P. Fields