Hendrik "Rik" Cornelis (September 18, 1910–1999) was a Belgian colonial civil servant who served as the final Governor-General of the Belgian Congo from 1958 to 1960.

Cornelis was born in Bevere, near Oudenaarde, in the Belgian province of East Flanders on 18 September 1910.

He gained a doctorate in economic science from the University of Ghent, also spending a year at the Graduate Institute of International and Development Studies in Geneva.

He joined the Belgian colonial administration in Ruanda-Urundi in 1934 and later served in various roles in the Congo.

[1] After the independence of the Belgian Congo in 1960, Cornelis served as an advisor to Justin Bomboko during his presidency of the College of Commissioners established by Joseph-Désiré Mobutu.