TMA may refer to:

Arts and entertainment

Science

Transportation

Aviation

Engineering

Space exploration

  • Russian Soyuz spacecraft missions (Russian: транспортный модифицированный антропометрический, Transportnyi Modifitsirovannyi Antropometricheskii, lit. 'Transport Modified Anthropometric', or ТМА)

Military

Communications

Medicine

  • Tissue microarray, a paraffin block in which tissue cores are assembled in array fashion to allow multiplex histological analysis

Other uses