SS8 may refer to:
*
SS-8 Sasin, a Soviet intercontinental ballistic missile
*
China Railways SS8
The Shaoshan 8 (SS8; Chinese: 韶山8) is a semi-high-speed electric locomotive used on the People's Republic of China's national railway system. The SS8 is based on its predecessor, the SS5, and was developed and built by CSR Zhuzhou Electri ...
, an electric locomotive
* , a submarine of the United States Navy
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