A novel soybean cultivar, designated 0102115, is disclosed. The invention relates to the seeds of soybean cultivar 0102115, to the plants of soybean 0102115 and to methods for producing a soybean plant produced by crossing the cultivar 0102115 with itself or another soybean variety. The invention further relates to hybrid soybean seeds and plants produced by crossing the cultivar 0102115 with another soybean cultivar.