SMRT

• Silencing mediator for retinoid and thyroid-hormone receptor
• Single Molecule Real Time Sequencing, a parallelized DNA sequencing by synthesis technology

• SMRT Corporation, a Singaporean public transport operator
• SMRT Trains, their rail subsidiary
• SMRT Buses, their bus subsidiary
• Santa Maria Regional Transit, a local bus system in California, USA
• Scenic Mississippi Regional Transit, a regional bus system in Wisconsin, USA
• Seoul Metropolitan Rapid Transit Corporation, a South Korean subway operator
• Southern Maryland Rapid Transit, a proposed American light-rail system

• St Mary Redcliffe and Temple School, a school located at Redcliffe, Bristol
• Thomas J. Smrt (born 1928), American inventor
• Homer Simpson's spelling of smart in The Simpsons episode "Homer Goes to College"

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