Niels Congo Turin Nielsen (22 January 1887 - 9 June 1964) was a Danish gymnast who competed in the 1908 Summer Olympics and in the 1920 Summer Olympics.[1]
In 1908, he finished fourth with the Danish team in the team event. Twelve years later, he was part of the Danish team, which won the gold medal in the gymnastics men's team free system event.[2]