SZD may refer to:
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Schizoaffective disorder
Schizoaffective disorder (SZA, SZD or SAD) is a mental disorder characterized by abnormal thought processes and an unstable mood. This diagnosis is made when the person has symptoms of both schizophrenia (usually psychosis) and a mood disorder: ...
, a psychiatric diagnosis with symptoms of a mood disorder and schizophrenia
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Sheffield City Airport (IATA code)
* The
Soviet Railways (''Sovetskie Zheleznye Dorogi'')
* A microcar made by SeAZ,
SZ cycle-car
The SMZ cyclecar was a Soviet microcar, manufactured in Serpukhov, Russia, by ''Serpukhov Motor Works'' (russian: Серпуховский Мотозавод, ''Serpukhovskiy Motozavod''), later known as the now-defunct SeAZ. The most common mode ...
series
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Szybowcowy Zakład Doświadczalny
Szybowcowy Zakład Doświadczalny (SZD), ''Glider Experimental Works'' was a glider design and research centre of the Polish aerospace industry after World War II, located in Bielsko-Biała. Through its history it underwent many organizational and ...
, a glider manufacturer in Poland
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Suzhou East railway station, China Railway pinyin code SZD
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