Methoxymethylenedioxyamphetamine (MMDA) may refer to:
3-Methoxy-4,5-methylenedioxyamphetamine (MMDA or MMDA-1; 5-methoxy-MDA) 2-Methoxy-4,5-methylenedioxyamphetamine (MMDA-2; 6-methoxy-MDA) 2-Methoxy-3,4-methylenedioxyamphetamine (MMDA-3a; 2-methoxy-MDA) 4-Methoxy-2,3-methylenedioxyamphetamine (MMDA-3b; 4-methoxy-ORTHO-MDA) 5-Methoxy-2,3-methylenedioxyamphetamine (MMDA-4; 5-methoxy-ORTHO-MDA) 6-Methoxy-2,3-methylenedioxyamphetamine (MMDA-5; 6-methoxy-ORTHO-MDA)
See also Methoxymethylenedioxyphenethylamine Dimethoxymethylenedioxyamphetamine EMDA-2 (6-ethoxy-MDA)