PMMA may refer to:
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para-Methoxymethamphetamine
''para''-Methoxy-''N''-methylamphetamine (also known as PMMA, Red Mitsubishi), chemically known as methyl-MA, 4-methoxy-''N''-methylamphetamine, 4-MMA) or (4-PMDA, as listed to its original physical name) is a stimulant and psychedelic drug c ...
, a stimulant drug
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Philippine Merchant Marine Academy
The Philippine Merchant Marine Academy ( fil, Akademiya sa Bapor Pangkalakalan ng Pilipinas) also referred to by its acronym PMMA) is a maritime higher education institution operated by the Philippine government in San Narciso, Zambales. Studen ...
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Poly(methyl methacrylate), a transparent thermoplastic often used as a glass substitute
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