The year before, 30 had.
1991
32 shows opened on Broadway and in the West End in 1991.
Miss Saigon opened April 11, 1991 at Broadway Theatre and ran 4,092 performances.
Edison Theatre closed.
Opened in 1991
UndatedMarchJanuaryFebruaryMarchAprilMayJuneOctoberNovemberDecember
Undated: 5 openings
| Unknown | 70, Girls, 70 West End, London | |
| Unknown | Joseph and the Amazing Technicolor Dreamcoat London Palladium, London | |
| Unknown | An Evening Duchess Theatre, London | |
| Unknown | Brand Aldwych Theatre, London | |
| Unknown | Five Guys Named Moe , London |
March: 1 opening
| March 15, 1990 | Sunday in the Park with George Sondheim Theatre, London |
January: 1 opening
| January 21, 1991 | Monster in a Box Vivian Beaumont Theater, Broadway | 13 perf. |
February: 5 openings
| February 10, 1991 | La Bête Eugene Oneill Theatre, Broadway | 25 perf. |
| February 14, 1991 | Mule Bone Ethel Barrymore Theatre, Broadway | 68 perf. |
| February 20, 1991 | Taking Steps Circle In The Square Theatre, Broadway | 78 perf. |
| February 21, 1991 | Lost in Yonkers Richard Rodgers Theatre, Broadway | 780 perf. |
| February 28, 1991 | The Speed of Darkness Belasco Theatre, Broadway | 36 perf. |
March: 1 opening
| March 3, 1991 | The Big Love Plymouth Theatre, Broadway | 41 perf. |
April: 6 openings
| April 3, 1991 | Penn & Teller: The Refrigerator Tour Eugene Oneill Theatre, Broadway | 103 perf. |
| April 4, 1991 | Lucifer's Child Music Box Theatre, Broadway | 28 perf. |
| April 8, 1991 | I Hate Hamlet Walter Kerr Theatre, Broadway | 88 perf. |
| April 11, 1991 | Miss Saigon Broadway Theatre, Broadway | 4,092 perf. |
| April 25, 1991 | The Secret Garden St. James Theatre, Broadway | 709 perf. |
| April 29, 1991 | Our Country's Good Nederlander Theatre, Broadway | 48 perf. |
May: 1 opening
| May 1, 1991 | The Will Rogers Follies The Palace Theatre, Broadway | 981 perf. |
June: 1 opening
| June 26, 1991 | Getting Married Circle In The Square Theatre, Broadway | 70 perf. |
October: 4 openings
| October 9, 1991 | On Borrowed Time Circle In The Square Theatre, Broadway | 101 perf. |
| October 20, 1991 | André Heller's Wonderhouse Broadhurst Theatre, Broadway | 9 perf. |
| October 24, 1991 | Dancing at Lughnasa Plymouth Theatre, Broadway | 421 perf. |
| October 27, 1991 | The Homecoming Criterion Center Stage Right, Broadway | 49 perf. |
November: 3 openings
| November 6, 1991 | Moscow Circus - Cirk Valentin Gershwin Theatre, Broadway | 32 perf. |
| November 7, 1991 | Park Your Car in Harvard Yard Music Box Theatre, Broadway | 124 perf. |
| November 26, 1991 | Peter Pan Minskoff Theatre, Broadway | 48 perf. |
December: 4 openings
| December 5, 1991 | Catskills on Broadway Lunt Fontanne Theatre, Broadway | 453 perf. |
| December 8, 1991 | Nick & Nora Marquis Theatre, Broadway | 9 perf. |
| December 10, 1991 | The Crucible Belasco Theatre, Broadway | 31 perf. |
| December 19, 1991 | A Christmas Carol Eugene Oneill Theatre, Broadway | 14 perf. |
Closed in 1991
| January 20, 1991 | Black and Blue Minskoff Theatre, opened 1989 | 829 run |
| January 20, 1991 | Peter Pan Lunt Fontanne Theatre, opened 1990 | 45 run |
| January 20, 1991 | Shogun, The Musical Marquis Theatre, opened 1990 | 72 run |
| January 26, 1991 | A Few Good Men Music Box Theatre, opened 1989 | 497 run |
| January 27, 1991 | The Piano Lesson Walter Kerr Theatre, opened 1990 | 328 run |
| February 24, 1991 | Those Were the Days Edison Theatre, opened 1990 | 126 run |
| March 2, 1991 | Aspects of Love Broadhurst Theatre, opened 1990 | 377 run |
| April 7, 1991 | Shadowlands Brooks Atkinson Theatre, opened 1990 | 169 run |
| April 14, 1991 | Oh, Kay! Richard Rodgers Theatre, opened 1990 | 77 run |
| May 19, 1991 | Buddy Shubert Theatre, opened 1990 | 225 run |
| May 19, 1991 | Prelude to a Kiss Helen Hayes Theatre, opened 1990 | 440 run |
| June 16, 1991 | Fiddler on the Roof Gershwin Theatre, opened 1990 | 241 run |
| June 30, 1991 | Jackie Mason: Brand New Neil Simon Theatre, opened 1990 | 216 run |
| July 28, 1991 | Gypsy St James Theatre, opened 1989 | 581 run |
| December 1, 1991 | Once on This Island Booth Theatre, opened 1990 | 469 run |