William Degouve de Nuncques (also Nunques) was a Belgian painter, born 28 February 1867 and died 1 March 1935.

He continued to paint compelling landscapes into the early decades of the 20th century but the overt symbolist qualities slowly dissipated from his work after 1900.

Art historian Robert Delevoy wrote that he inherited a strong personality and a passion for spirituality from his father, "and when still young he showed a tendency to indulge in spleen, reverie, and contemplation, instead of action.

[2]: 230  In 1894 he married fellow artist Juliette Massin, who introduced him to the circle of Symbolist poets, who had a considerable influence on his style.

After suffering a religious crisis around 1910, he painted pictures that revealed his tormented state of mind, and during World War I, while a refugee in the Netherlands, he produced only minor works.