Dimethyltryptamine (DMT) may refer to:

N,N-Dimethyltryptamine (N,N-DMT) α,N-Dimethyltryptamine (α,N-DMT; N-methyl-αMT; SK&F-7024, Ro 3–1715) 4,α-Dimethyltryptamine (4,α-DMT; 4-methyl-AMT; MP-809)

See also Substituted tryptamine Methyltryptamine Ethyltryptamine Trimethyltryptamine Methylethyltryptamine Dimethylserotonin