รางวัลออสการ์ สาขานักแสดงนำหญิงยอดเยี่ยม
ผู้ได้รับรางวัลและได้รับการเสนอชื่อเข้าชิง > คริสต์ทศวรรษ 1970

| ปี | นักแสดง | บทบาท | ภาพยนตร์ | อ้างอิง |
| --- | --- | --- | --- | --- |
1970s
| 1970  (43rd)  | Jackson !Glenda Jackson ‡ | Bradgwen !Gudrun Brangwen | Women in Love |  |
| 1970  (43rd)  | Alexander !Jane Alexander | Backman !Eleanor Backman | Great !The Great White Hope |  |
| 1970  (43rd)  | MacGraw !Ali MacGraw | Barrett !Jennifer Cavalleri-Barrett | Love Story |  |
| 1970  (43rd)  | Miles !Sarah Miles | Ryan !Rosy Ryan | Ryan's Daughter |  |
| 1970  (43rd)  | Snodgress !Carrie Snodgress | Balser !Bettina "Tina" Balser | Diary of a Mad Housewife |  |
| 1971  (44th)  | Fonda !Jane Fonda ‡ | Daniels !Bree Daniels | Klute |  |
| 1971  (44th)  | Christie !Julie Christie | Miller !Constance Miller | McCabe & Mrs. Miller |  |
| 1971  (44th)  | Jackson !Glenda Jackson | Greville !Alex Greville | Sunday Bloody Sunday |  |
| 1971  (44th)  | Redgrave !Vanessa Redgrave | Mary, Queen of Scots | Mary, Queen of Scots |  |
| 1971  (44th)  | Suzman !Janet Suzman | Alexandra !Empress Alexandra of Russia | Nicholas and Alexandra |  |
| 1972  (45th)  | Minnelli !Liza Minnelli ‡ | Bowles !Sally Bowles | Cabaret |  |
| 1972  (45th)  | Ross !Diana Ross | Holiday !Billie Holiday | Lady Sings the Blues |  |
| 1972  (45th)  | Smith !Maggie Smith | Bertram !Augusta Bertram | Travels with My Aunt |  |
| 1972  (45th)  | Tyson !Cicely Tyson | Morgan !Rebecca Morgan | Sounder |  |
| 1972  (45th)  | Ullmann !Liv Ullmann | Kristina Nilsson | Emigrants !The Emigrants |  |
| 1973  (46th)  | Jackson !Glenda Jackson ‡ | Allesio !Vickie Allessio | Touch !A Touch of Class |  |
| 1973  (46th)  | Burstyn !Ellen Burstyn | MacNeil !Chris MacNeil | Exorcist !The Exorcist |  |
| 1973  (46th)  | Mason !Marsha Mason | Paul !Maggie Paul | Cinderella Liberty |  |
| 1973  (46th)  | Streisand !Barbra Streisand | Morosky !Katie Morosky | Way !The Way We Were |  |
| 1973  (46th)  | Woodward !Joanne Woodward | Walden !Rita Walden | Summer Wishes, Winter Dreams |  |
| 1974  (47th)  | Burstyn !Ellen Burstyn ‡ | Hyatt !Alice Hyatt | Alice Doesn't Live Here Anymore |  |
| 1974  (47th)  | Carroll !Diahann Carroll | Price !Claudine Price | Claudine |  |
| 1974  (47th)  | Dunaway !Faye Dunaway | Mulwray !Evelyn Cross Mulwray | Chinatown |  |
| 1974  (47th)  | Perrine !Valerie Perrine | Bruce !Harriett Jolliff / Honey Bruce | Lenny |  |
| 1974  (47th)  | Rowlands !Gena Rowlands | Longhetti !Mabel Longhetti | Woman !A Woman Under the Influence |  |
| 1975  (48th)  | Fletcher !Louise Fletcher ‡ | Ratched !Nurse Mildred Ratched | One Flew Over the Cuckoo's Nest |  |
| 1975  (48th)  | Adjani !Isabelle Adjani | Hugo !Adèle Hugo / Adèle Lewly | Story !The Story of Adele H. |  |
| 1975  (48th)  | Ann-Margret | Walker !Nora Walker | Tommy |  |
| 1975  (48th)  | Jackson !Glenda Jackson | Tesman !Hedda Gabler | Hedda |  |
| 1975  (48th)  | Kane !Carol Kane | Gitl | Hester Street |  |
| 1976  (49th)  | Dunaway !Faye Dunaway ‡ | Christensen !Diana Christensen | Network |  |
| 1976  (49th)  | Barrault !Marie-Christine Barrault | Marthe | Cousin Cousine |  |
| 1976  (49th)  | Shire !Talia Shire | Pennino !Adrian Pennino | Rocky |  |
| 1976  (49th)  | Spacek !Sissy Spacek | White !Carrie White | Carrie |  |
| 1976  (49th)  | Ullmann !Liv Ullmann | Isaksson !Jenny Isaksson | Face to Face |  |
| 1977  (50th)  | Keaton !Diane Keaton ‡ | Hall !Annie Hall | Annie Hall |  |
| 1977  (50th)  | Bancroft !Anne Bancroft | Jacklin !Emma Jacklin | Turning !The Turning Point |  |
| 1977  (50th)  | Fonda !Jane Fonda | Hellman !Lillian Hellman | Julia |  |
| 1977  (50th)  | MacLaine !Shirley MacLaine | Rodgers !Deedee Rodgers | Turning !The Turning Point |  |
| 1977  (50th)  | Mason !Marsha Mason | McFadden !Paula McFadden | Goodbye !The Goodbye Girl |  |
| 1978  (51st)  | Fonda !Jane Fonda ‡ | Hyde !Sally Hyde | Coming Home |  |
| 1978  (51st)  | Bergman !Ingrid Bergman | Andergast !Charlotte Andergast | Autumn Sonata |  |
| 1978  (51st)  | Burstyn !Ellen Burstyn | Doris | Same Time, Next Year |  |
| 1978  (51st)  | Clayburgh !Jill Clayburgh | Benton !Erica Benton | Unmarried !An Unmarried Woman |  |
| 1978  (51st)  | Page !Geraldine Page | Eve | Interiors |  |
| 1979  (52nd)  | Field !Sally Field ‡ | Webster !Norma Rae Webster | Rae !Norma Rae |  |
| 1979  (52nd)  | Clayburgh !Jill Clayburgh | Holberg !Marilyn Holmberg | Starting Over |  |
| 1979  (52nd)  | Fonda !Jane Fonda | Wells !Kimberly Wells | China !The China Syndrome |  |
| 1979  (52nd)  | Mason !Marsha Mason | MacLaine !Jennie MacLaine | Chapter Two |  |
| 1979  (52nd)  | Midler !Bette Midler | Foster !Mary Rose Foster | Rose !The Rose |  |