CRS-3 or CRS3 may also refer to:

CRS-3, the second generation of Cisco Systems' Carrier Routing System. SpaceX CRS-3 (SpX-3), the third International Space Station resupply mission by SpaceX Cygnus CRS Orb-3 (CRS-3), the third International Space Station resupply mission by Orbital Sciences Corporation Calgary/Christiansen Field Aerodrome (TC id: CRS3) airport near Okotoks, Alberta, Canada.

See also CRS (disambiguation)