18S rRNA (adenine1779-N6/adenine1780-N6)-dimethyltransferase (EC 2.1.1.183 18S rRNA dimethylase Dim1p Dim1p ScDim1 m2(6)A dimethylase KIDIM1) is an enzyme with system name S-adenosyl-L-methionine:18S rRNA (adenine1779-N6/adenine1780-N6)-dimethyltransferase.