Douglas "Duggy" Clark MM (born 1891 in Ellenborough, Cumberland, died 1951) was an English rugby league footballer, wrestler and World War I veteran. He played at prop, second-row, or loose forward/lock for Huddersfield, Cumberland, England and the Great Britain national side. Clark also served in World War I on the front line in France in 1917, earning the Military Medal for his deeds. He then returned to wrestling with great success, becoming World heavyweight champion. After that Clark joined World War I and spent time in France.