TMA-4 may refer to:
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TMA-4 mine
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Soyuz TMA-4
Soyuz TMA-4 was a Soyuz spacecraft, Soyuz mission to the International Space Station (ISS) launched by a Soyuz FG launch vehicle. It was launched on 19 April 2004 (UTC) from Baikonur Cosmodrome. Gennady Padalka from Russia, Michael Fincke from ...
, a Russian space exploration mission
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2,3,5-Trimethoxyamphetamine
Trimethoxyamphetamines (TMAs) are a family of positionally isomeric psychedelic hallucinogenic drugs. There exist six different TMAs that differ only in the positions of the three methoxy groups: TMA (TMA-1), TMA-2, TMA-3, TMA-4, TMA-5, and TMA- ...
(TMA-4), a hallucinogenic drug
{{Letter–number combination disambiguation