Machiel is a Dutch form of the masculine given name Michael. People with the name include:

(born 1972), Dutch historian and writer Machiel Brandenburg (1907–1984), Dutch painter who emigrated to South Africa Machiel de Graaf (born 1969), Dutch politician Machiel van den Heuvel (1900–1946), Dutch army officer, Escape Officer at Colditz Machiel van Keulen (born c.1984), Dutch footballer Machiel Kiel (1938–2025), Dutch art historian and orientalist Machiel Hendricus Laddé (1866–1932), Dutch photographer and film director Machiel Noordeloos (born 1949), Dutch mycologist

See also Michiel, more common Dutch form of the name Machiel, town in northern France