Donato was selected for the United States men's national ice hockey team, to compete in the men's tournament at the 2018 Winter Olympics. Donato led the United States in scoring, with six points; additionally, his five goals place him in a tie for the most goals scored – alongside Ilya Kovalchuk and Kirill Kaprizov. However, the team's overall performance was a disappointment as team USA skated to a seventh-place finish.