how many oscars does jack nicholson
On March 29, 1976, Nicholson won the 1975 Best Actor Oscar for his  performance in One Flew Over the Cuckoo's Nest.. He would win two  more Oscars for Terms of Endearmentâ¦ (Best Supporting Actor of  1983) and As Good As It Gets (Best Actor of 1997). 3 people found this useful.