Voted : Katharine Hepburn The most honored actress of all-time is Katharine Hepburn - with a total of twelve nominations and four wins - all in the Best Actress category - stretching over a period of 49 years (from Hepburn's Best Actress win for Morning Glory (1932/33) to her Best Actress win for On Golden Pond (1981)) - a record in itself for the greatest span between Oscar wins. Hepburn is the only actress to have won the Best Actress award four times.