Radim Nyc (born 11 April 1966, in Liberec) is a former Czech cross-country skier who raced from 1988 to 1994.
He earned a bronze medal in the 4 x 10 km relay at the 1988 Winter Olympics in Calgary while his best individual Winter Olympics finish was a 6th in the 50 km event in 1992.
Nyc also won a bronze medal in the 4 x 10 km relay at the 1989 FIS Nordic World Ski Championships.
His best individual finish at the Nordic skiing World Championships was a 13th in the 15 km event at those same championships.
Nyc's best career World Cup finish was sixth in 1991 in Canada.