Dimethoxyamphetamine (DMA) may refer to the following:
- 3,4-Dimethoxyamphetamine (3,4-DMA; DMA-1; DMA)
- 2,3-Dimethoxyamphetamine (2,3-DMA; DMA-2)
- 2,4-Dimethoxyamphetamine (2,4-DMA; DMA-3)
- 2,5-Dimethoxyamphetamine (2,5-DMA; DMA-4; DOH)
- 2,6-Dimethoxyamphetamine (2,6-DMA; DMA-5)
- 3,5-Dimethoxyamphetamine (3,5-DMA; DMA-6)