The present invention provides a diaryl sulfone compound represented by Formula (1): wherein R1 to R4 and R1′ to R4′ are the same or different, and each represents hydrogen, C1-4 alkyl, or halogen, and R5 represents C2-6 alkenyl, C1-4 alkyl, or aromatic heterocyclic group; a method for producing the diaryl sulfone compound represented by Formula (1) by reacting a 4,4′-dihaloarylsulfone compound with thiol salt compound having an alkylene group; and a method for producing the diaryl sulfone compound represented by Formula (1) by reacting a 4,4′-dihaloarylsulfone compound with a thiol salt compound having a hydroxyl group, and subjecting the resulting compound to reaction with a halogenating agent, followed by a dehydrohalogenation reaction.