Didrik Hegermann Grønvold (16 December 1855 – 24 March 1928) was a Norwegian educator and writer.
He was born in Bergen[1] as a son of vicar Christian August Grønvold (1810–1889), and was a brother of painters Bernt and Marcus Grønvold and third cousin of Hans Aimar Mow Grønvold.[2] He spent most of his career as an educator in Bergen and Hamar, and was also a writer. His best novel was Storstadsgutter (1885).[1]