According to the invention, there is provided a novel soybean variety designated XB38N08. This invention thus relates to the seeds of soybean variety XB38N08, to the plants of soybean XB38N08 to plant parts of soybean variety XB38N08 and to methods for producing a soybean plant produced by crossing plants of the soybean variety XB38N08 with another soybean plant, using XB38N08 as either the male or the female parent.