This is the complete order of battle of Allied and Japanese forces during the Borneo campaign of 1945. As the campaign was fought in three geographically separate areas and the same air and naval units supported more than one of these battles the order of battle is split into the three areas.

Summary order of battle

Allied forces

General Headquarters South West Pacific Area

Allied Land Forces

Australian I Corps

Australian 7th Division

Australian 9th Division

Allied Air Forces

Advanced RAAF Command

Australian First Tactical Air Force

United States Thirteenth Air Force

Allied Naval Forces

Seventh Amphibious Force

Amphibious Group Six

Japanese forces

Southern Expeditionary Army Group (Saigon) Japanese Seventh Area Army Japanese 37th Army 56th Independent Mixed Brigade (Brunei) 71st Independent Mixed Brigade (Kuching) 25th Independent Mixed Regiment (North Borneo) 455th Independent Infantry Battalion (Balikpapan) 553rd Independent Infantry Battalion (Miri) 554th Independent Infantry Battalion (Sandakan) 774th Independent Infantry Battalion (Tenom) Army-Navy Headquarters Tarakan 22nd Special Naval Base Force (Balikpapan) Japanese 3rd Air Army (Singapore) Japanese 10th Independent Flying Brigade 83rd Flying Regiment

Borneo campaign (1945) order of battle

Battle of Tarakan (1945)

Borneo campaign (1945) order of battle

Allied units ("Oboe One Force")

Borneo campaign (1945) order of battle

Ground forces

26th Brigade Group (detached from Australian 9th Division) 2/23rd Infantry Battalion 2/24th Infantry Battalion 2/48th Infantry Battalion 2/3rd Pioneer Battalion (fought as infantry) 2/4th Cavalry Commando Squadron C Squadron, 2/9th Armoured Regiment (Matilda II tanks) D Company, 2/2nd Machine Gun Battalion 2/7th Field Regiment (25 pounder guns) 53rd Composite Anti-Aircraft Regiment 2/13th Field Company 2nd Field Company 2/12th Field Ambulance 2 Beach Group 2/2nd Pioneer Battalion Other units: 2/11th Field Company 2 Beach Workshop 'B' Royal Australian Navy Commando 2nd Australian Army Medical Corps Company

Royal Netherlands East Indies Army

2nd Company, 1st Battalion Netherlands East Indies Army

United States Army

Composite Company, 727th Amphibian Tractor Battalion

Company, 593rd Engineer Boat and Shore Battalion

Air units

No. 77 (Attack) Wing Royal Australian Air Force (RAAF) No. 76 Squadron RAAF (Kittyhawk) (from 15 May) No. 22 Squadron RAAF (Beaufighter) (from 4 June) No. 30 Squadron RAAF (Beaufighter) (from 4 June) No. 31 Squadron RAAF (Beaufighter) No. 78 (Fighter) Wing RAAF No. 75 Squadron RAAF (Kittyhawk) No. 78 Squadron RAAF (Kittyhawk) No. 80 Squadron RAAF (Kittyhawk) No. 452 Squadron RAAF (Spitfire) No. 82 (Bomber) Wing RAAF No. 21 Squadron RAAF (B-24 Liberator) No. 23 Squadron RAAF (B-24) No. 24 Squadron RAAF (B-24) 18th Fighter Group USAAF (Mindoro Is., Zamboanga from 4 May) 12th Fighter Squadron (P-38) 44th Fighter Squadron (P-38) 70th Fighter Squadron (P-38) 347th Fighter Group USAAF (Palawan Is.) 67th Fighter Squadron (P-38) 68th Fighter Squadron (P-38) 339th Fighter Squadron (P-38) 42d Bombardment Group USAAF (Palawan Is.) 69th Bombardment Squadron (B-25) 70th Bombardment Squadron (B-25) 75th Bombardment Squadron (B-25) 100th Bombardment Squadron (B-25) 390th Bombardment Squadron (B-25) 5th Bombardment Group USAAF (Samar Is.) 23d Bombardment Squadron (B-24) 31st Bombardment Squadron (B-24) 72d Bombardment Squadron (B-24) 394th Bombardment Squadron (B-24) 307th Bombardment Group USAAF (Morotai Is.) 370th Bombardment Squadron (B-24) 371st Bombardment Squadron (B-24) 372nd Bombardment Squadron (B-24) 424th Bombardment Squadron (B-24) 868th Bombardment Squadron USAAF (LAB-24) Fleet Air Wing 17 US Navy (Palawan Is.) Patrol Bombing Squadron 128 (VPB-128) (PV-1 Ventura) Patrol Bombing Squadron 106 (VPB-106) (PB4Y-2 Privateer) (from 3 May) Patrol Bombing Squadron 111 (VPB-111) (PB4Y-2 Privateer) Patrol Bombing Squadron 109 (VPB-109) (PB4Y-2 Privateer with Bat Bombs) (until 6 May) RAAF ground units on Tarakan during the campaign No. 16 Air Observation Post Flight (4 Auster light aircraft) No. 61 Operational Base Unit No. 61 Airfield Construction Wing No. 1 Airfield Construction Squadron No. 8 Airfield Construction Squadron No. 2 Aerodrome Security Squadron No. 114 Mobile Fighter Control Unit