Invasion Attack 2015 was a professional wrestling pay-per-view (PPV) event promoted by New Japan Pro-Wrestling (NJPW). The event took place on April 5, 2015, in Tokyo at Ryōgoku Kokugikan and featured nine matches, four of which were contested for championships. In addition to airing worldwide through NJPW's internet streaming site, NJPW World, the event also aired in Japan as a regular PPV through SKY PerfecTV!'s Sukachan service. It was the third event under the Invasion Attack name.