According to the invention, there is provided a novel soybean variety designated XB38W07. This invention thus relates to the seeds of soybean variety XB38W07, to the plants of soybean XB38W07 to plant parts of soybean variety XB38W07 and to methods for producing a soybean plant produced by crossing plants of the soybean variety XB38W07 with another soybean plant, using XB38W07 as either the male or the female parent.