Niklas Malacinski (born December 7, 2003) is an American Nordic combined skier. He represented the United States at the 2026 Winter Olympics.
Malacinski represented the United States at the 2020 Winter Youth Olympics with his best finish being fifth place in the individual normal hill.
He competed at the 2023 Winter World University Games and won a gold medal in the team sprint normal hill. This was the first gold medal for team USA at the 2023 Winter World University Games. He also won a silver medal in the mass start and the individual normal hlll events.
In January 2026, he was selected to represent the United States at the 2026 Winter Olympics.
His older sister, Annika, is also a Nordic combined skier.