S101
# S101

S101 may refer to:

* Asus Eee PC S101, a netbook computer from Asus
* Dome S101, a sports car prototype for endurance racing
* Highway S101, proposed northern extension of New Jersey Route 101, never built
* HMS Dreadnought (S101), the United Kingdom's first nuclear-powered submarine
* New Jersey State Highway S101, a controlled-access toll road running north–south in eastern New Jersey
* SAS Manthatisi (S101), a Heroine-class submarine in service with the South African Navy
* Soviet submarine S-101, Stalinets-class submarine of the Soviet Navy
