A novel soybean variety, designated XBP55002 is provided. Also provided are the seeds of soybean variety XBP55002, cells from soybean variety XBP55002, plants of soybean XBP55002, and plant parts of soybean variety XBP55002. Methods provided include producing a soybean plant by crossing soybean variety XBP55002 with another soybean plant, methods for introgressing a transgenic trait, a mutant trait, and/or a native trait into soybean variety XBP55002, methods for producing other soybean varieties or plant parts derived from soybean variety XBP55002, and methods of characterizing soybean variety XBP55002. Soybean seed, cells, plants, germplasm, breeding lines, varieties, and plant parts produced by these methods and/or derived from soybean variety XBP55002 are further provided.