99 Squadron

99 Squadron or 99th Squadron may refer to:


 * No. 99 Squadron RAAF, a unit of the Australian Royal Air Force
 * No. 99 Squadron RAF, a unit of the United Kingdom Royal Air Force
 * 99th Airlift Squadron, a unit of the United States Air Force
 * 99th Flying Training Squadron, a unit of the United States Air Force
 * 99th Reconnaissance Squadron, a unit of the United States Air Force
 * VPB-99 (Patrol Bombing Squadron 99), a former unit of the United States Navy