A polymerizable composition for an optical material comprising: (A) an allyl carbonate compound represented by General Formula and including two or more allyloxycarbonyl groups; (B) a (meth)acrylate compound represented by General Formula and including two or more (meth)acryl groups; and (C) a photochromic compound; wherein, in 100% by weight in a total of the compound (A) and the compound (B), the compound (A) is included in an amount of more than 0% by weight and 30% by weight or less and the compound (B) is included in an amount of 70% by weight or more and less than 100% by weight, wherein, R 1 indicates a divalent to 20 valent group derived from a linear or branched aliphatic polyol having 3 to 35 carbon atoms which optionally include a hetero atom or a divalent to 20 valent group derived from a cycloaliphatic polyol having 5 to 40 carbon atoms which optionally include a hetero atom, m indicates an integer of 2 to 10, and R 1 does not include an allyloxycarbonyl group, wherein, R 2 indicates a divalent to tetravalent organic group having 1 to 30 carbon atoms which optionally include a hetero atom or an aromatic group, R 3 indicates a hydrogen atom or a methyl group, and n indicates an integer of 2 to 4. (A) an allyl carbonate compound represented by General Formula and including two or more allyloxycarbonyl groups; (B) a (meth)acrylate compound represented by General Formula and including two or more (meth)acryl groups; and (C) a photochromic compound; wherein, in 100% by weight in a total of the compound (A) and the compound (B), the compound (A) is included in an amount of more than 0% by weight and 30% by weight or less and the compound (B) is included in an amount of 70% by weight or more and less than 100% by weight, wherein, R 1 indicates a divalent to 20 valent group derived from a linear or branched aliphatic polyol having 3 to 35 carbon atoms which optionally include a hetero atom or a divalent to 20 valent group derived from a cycloaliphatic polyol having 5 to 40 carbon atoms which optionally include a hetero atom, m indicates an integer of 2 to 10, and R 1 does not include an allyloxycarbonyl group, wherein, R 2 indicates a divalent to tetravalent organic group having 1 to 30 carbon atoms which optionally include a hetero atom or an aromatic group, R 3 indicates a hydrogen atom or a methyl group, and n indicates an integer of 2 to 4. wherein, in 100% by weight in a total of the compound (A) and the compound (B), the compound (A) is included in an amount of more than 0% by weight and 30% by weight or less and the compound (B) is included in an amount of 70% by weight or more and less than 100% by weight, wherein, R 1 indicates a divalent to 20 valent group derived from a linear or branched aliphatic polyol having 3 to 35 carbon atoms which optionally include a hetero atom or a divalent to 20 valent group derived from a cycloaliphatic polyol having 5 to 40 carbon atoms which optionally include a hetero atom, m indicates an integer of 2 to 10, and R 1 does not include an allyloxycarbonyl group, wherein, R 2 indicates a divalent to tetravalent organic group having 1 to 30 carbon atoms which optionally include a hetero atom or an aromatic group, R 3 indicates a hydrogen atom or a methyl group, and n indicates an integer of 2 to 4. <EOS>