Sea Service Ribbon is an award of the United States NavyU.S. Marine CorpsU.S. Coast Guard, the U.S. Army, and the NOAA Commissioned Officer Corps which recognizes those service members who have performed military duty while stationed on a United States Navy, Coast Guard, Army, or NOAA vessel at sea and/or members of the Navy, Marine Corps or Coast Guard who have been forward-deployed with their home unit.

Additional awards of the Sea Service Deployment Ribbon, Naval Reserve Sea Service Ribbon, Coast Guard Sea Service Ribbon, Army Sea Duty Ribbon, and NOAA Corps Sea Service Deployment Ribbon are denoted by bronze and/or silver service stars on the ribbon.