SZ, Sz, sZ, or sz may refer to:

• Slovenske železnice (SŽ), a Slovenian railway company
• Green Party (Czech Republic) (Czech: Strana zelených)
• Air Southwest (IATA code)

• Canton of Schwyz
• Shenzhen, simplify into SZ, a city in Guangdong province, China
• Eswatini (ISO 3166-1 country code)
  • .sz, the country code top level domain (ccTLD) for Eswatini
• Switzerland (NATO country code)

• Alfa Romeo SZ, a car
• Rolls-Royce SZ and Bentley SZ, a series of different cars produced from 1980 to 2003 by Rolls-Royce Motors and Bentley Motors
• SZ cycle-car, a Soviet/Russian microcar series including SZA and SZD
• SZ, a model from Sony's range of VAIO computers
• Sprite Zero, a diet soft drink

• Saarbrücker Zeitung, a German newspaper, based in Saarland
• Süddeutsche Zeitung, a German newspaper, published in Munich
• Szőllősy index, catalogue (Sz) of all the compositions of Béla Bartók
• S/Z, an essay by Roland Barthes, published as a book in 1970

• Shenzhou (spacecraft), the Chinese space capsule
• Sunyaev–Zel'dovich effect, in astrophysics
• Suzuki groups, a family of mathematical groups
• Suzuki sporadic group, a mathematical group

• Sz (digraph), a digraph used in Hungarian, Polish, Kashubian, German, and Cantonese romanization
• Sky Zone
• Sami Zayn, Canadian professional wrestler

• ß
• ZS (disambiguation)

This disambiguation page lists articles associated with the title Sz.
If an internal link led you here, you may wish to change the link to point directly to the intended article.