The experiment was conducted at two sites (Zakho and Sumel) belonging to Dohuk Governorate / Iraq, on 18 to 21 July 2022, using (R.C.B.D) design with 3 replicates, to study the response of two cultivars of corn (Furat and Dejla) to four levels of bio stimulant Disper Chlorophyll GS (0, 1 and 1.5 and 2g/L). The results revealed significant effect of Furat cultivar compared to Dejla in both sites in all studied traits except plant leaves number. As for the bio stimulant chlorophyll, it has been recorded the level of 2 g/L the highest values of the studied traits in the two sites compared to the rest of the levels. The interaction was significant for all traits in the two sites, where Furat cultivar with the level of 2 g/L of bio stimulant achieved the highest grain yield (9.76 and 10.22 tons/ha) in both sites, respectively.