SA1

SA1 or SA-1 can refer to:


 * Nintendo SA1, a microprocessor by Nintendo for use in SNES game cartridges
 * 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
 * Sonic Adventure, a video game for the Sega Dreamcast, abbreviated as "SA1" by fans of the series to differentiate it from its sequel, Sonic Adventure 2
 * SA-1 Guild, the NATO name for the S-25 Berkut, the first operational surface-to-air guided missile, used by the Soviets
 * SA-1 (Apollo), an Apollo-flight