The 105th Japan Championships in Athletics (第105回日本陸上競技選手権大会, Dai 105 kai Nihon Rikujō Kyōgi Sensyuken Taikai) was held at Nagai Stadium in Osaka. Organised by JAAF, the four-day competition took place from 24-27 June and served as the national championships in track and field for the Japan. The competition intended also to serve as the qualifying trial for Japan at the 2020 Summer Olympics.