There have been many talented Black women who have won the Academy Award for Best Actress throughout history. Some notable winners include:

1. Halle Berry: In 2002, Halle Berry made history as the first African American woman to win the Best Actress award for her performance in "Monster's Ball."

2. Viola Davis: Viola Davis won the Best Supporting Actress award for her role in "Fences" in 2017, making her the first Black woman to win an Oscar, Emmy, and Tony for acting.

3. Octavia Spencer: Octavia Spencer won the Best Supporting Actress award for her role in "The Help" in 2012.

4. Whoopi Goldberg: Whoopi Goldberg won the Best Supporting Actress award for her role in "Ghost" in 1991.

These talented actresses have paved the way for future generations of Black women in the film industry and have showcased their incredible talent and range on the big screen.