A total of 100 corn samples conforming collected from local farmers and markets from districts of Samsun, Turkey, were analyzed for Fusarium verticillioides, fumonisin $B_1$ and $B_2$ contamination. Ninety-three corn samples were found to contain F. verticillioides, 52 samples fumonisin $B_1$, and 25 samples fumonisin $B_2$. Fumonisin $B_1$ contamination ranged from 0.05 to 25.72 mg/kg and $B_2$ from 0.05 to 5.7 mg/kg, respectively. This figure indicated widespread contamination of fumonisin $B_1$ and $B_2$ in maize grown in different areas of Samsun, Turkey.