305 Squadron or 305th Squadron may refer to:

No. 305 Polish Bomber Squadron, a Polish World War II unit in the United Kingdom 305th Tactical Fighter Squadron (JASDF), Japan 305th Air Refueling Squadron, United States Air Force 305th Expeditionary Airlift Squadron, United States Air Force 305th Fighter Squadron, United States Army Air Forces 305th Rescue Squadron, United States Air Force VFA-305, United States Navy