Methylphenethylamine may refer to:
α-Methylphenethylamine (amphetamine) β-Methylphenethylamine N-Methylphenethylamine (an endogenous trace amine in humans) 2-Methylphenethylamine 3-Methylphenethylamine 4-Methylphenethylamine
See also Dimethylphenethylamine Trimethylphenethylamine Methoxyphenethylamine Phenethylamine, with the organic chemistry name phenyl-ethyl-amine