SS3
SS3 or SS 3 stands for:
- Strada Statale 3 Via Flaminia , state road in Italy
- Strada Statale 3 to Tiberina , state road in Italy
- a control character in computer science
- CR series SS3 and CR series SS3B , Chinese electric locomotives
SS-3 stands for:
- USS Adder (SS-3) , American submarine
- SS-3 Shyster , Soviet medium-range missile