Denzel Washington
This is his tenth nomination and seventh in this category. He won Oscars for his supporting role in Glory (1989) and his leading role in Training Day (2001). He was nominated for his leading roles in Malcolm X (1992), The Hurricane (1999), Flight (2012), Fences (2016) and Roman J. Israel, Esq. (2017), and for his supporting role in Cry Freedom (1987). He also received a Best Picture nomination for Fences.