This is a list of campaigns during the Pacific War.
Flags indicate the country, or countries, winning the offensive.
Second Sino-Japanese war.
Before 1942 and inclusion in the Pacific War:
After inclusion in the Pacific War:
 Franco-Japanese Border War
 Franco-Thai War
 Soviet–Japanese border conflicts
Allied offensives.
South East Asian campaigns: 1941-12-08 – 1945-08-15
New Guinea campaign
Madagascar Campaign
Aleutian Islands Campaign
Guadalcanal Campaign
Solomon Islands campaign
Gilbert and Marshall Islands campaign
Bombing of South East Asia, 1944-45
Mariana and Palau Islands campaign
Philippines campaign
Volcano and Ryukyu Islands campaign 
Borneo campaign
Japan campaign
Soviet invasion of Manchuria
Command areas.
The command structures of the Pacific War varied, reflecting the different roles of various belligerent nations, and often involving different geographic scopes. These included the following:
Citation.
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