Carolus Petrus Eduardus Maria "Karel" van de Woestijne (Dutch: [ˈkaːrəl vɑn də ʋuˈstɛinə]; Ghent, 10 March 1878 – Zwijnaarde, 24 August 1929) was a Flemish writer and brother of the painter Gustave van de Woestijne.
He also studied Germanic philology at the University of Ghent, where he came into contact with French symbolism.
Here he wrote Laetemsche brieven over de lente, for his friend Adolf Herckenrath (1901).
Between 1920 and 1929 he taught history of Dutch literature at the University of Ghent.
He was editor of successively the illustrated magazines of Van Nu en Straks (second range, 1896-1901) and Vlaanderen (1903-1907).