Riefkohl is the surname of the following people:
Frederick Lois Riefkohl (1889–1969), Puerto Rican officer in the United States Navy Rafael Bernabe Riefkohl (born 1959), Puerto Rican politician Rudolph W. Riefkohl (1885–1950), Puerto Rican officer in the United States Army, brother of Frederick William Riefkohl (born 1939), Executive Director of the Puerto Rico Manufacturers Association