According to the invention, there is provided a novel soybean variety designated XB26R06. This invention thus relates to the seeds of soybean variety XB26R06, to the plants of soybean XB26R06 to plant parts of soybean variety XB26R06 and to methods for producing a soybean plant produced by crossing plants of the soybean variety XB26R06 with another soybean plant, using XB26R06 as either the male or the female parent.