SA1 or SA-1 can refer to:
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Nintendo SA1, a microprocessor by Nintendo for use in SNES game cartridges
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SA1 Swansea Waterfront, the marketing name given to the brownfield development area located in Swansea Docks, South Wales
* the Royal mail postcode prefix for central
Swansea
Swansea ( ; ) is a coastal City status in the United Kingdom, city and the List of urban areas in the United Kingdom, second-largest city of Wales. It forms a Principal areas of Wales, principal area, officially known as the City and County of ...
*''
Sonic Adventure
is a 1998 platform game developed by Sonic Team and published by Sega for the Dreamcast. It was the first main ''Sonic the Hedgehog'' game to feature 3D gameplay. It follows Sonic the Hedgehog (character), Sonic the Hedgehog, Miles "Tails" Pr ...
'', a video game for the Sega Dreamcast, abbreviated as "SA1" by fans of the series to differentiate it from its sequel, ''Sonic Adventure 2''
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SA-1 Guild, the NATO name for the S-25 Berkut, the first operational surface-to-air guided missile, used by the Soviets
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SA-1 (Apollo), an Apollo-flight
{{Letter–number combination disambiguation