According to the invention, there is provided a novel soybean variety designated XB03Q07. This invention thus relates to the seeds of soybean variety XB03Q07, to the plants of soybean XB03Q07 to plant parts of soybean variety XB03Q07 and to methods for producing a soybean plant produced by crossing plants of the soybean variety XB03Q07 with another soybean plant, using XB03Q07 as either the male or the female parent.