There is provided a novel cyanate ester compound that can provide a cured product possessing excellent heat resistance. The cyanate ester compound is represented by general formula (1): wherein R1 represents an aromatic substituent having 6 to 10 carbon atoms or an alkyl group having 1 to 20 carbon atoms; Rx1's each independently represent a hydrogen atom, an alkyl or alkoxy group having 1 to 20 carbon atoms, or a halogen; Ry1's each independently represent a hydrogen atom, an alkyl or alkoxy group having 1 to 20 carbon atoms, or a halogen; m is an integer of 0 to 4; and n is an integer of 0 to 4.