SS4 may refer to:
*
SS-4 Sandal, a Soviet theatre ballistic missile
*
Ambrosini SS.4, an Italian fighter aircraft prototype
*
Pindad SS4, an Indonesian battle rifle in development
*
SS 4, an Italian state highway, linking Rome to the Adriatic sea
*
Super Select
Super Select is the brand name of a four-wheel drive system produced by Mitsubishi Motors, used worldwide except for North America, where it was initially known as Active-Trac. It was first introduced in 1991 with the then-new second generation of ...
, a four-wheel drive system produced by Mitsubishi
* , a submarine of the United States Navy
*
Super Saiyan 4, a fictional transformation from the Dragon Ball series
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