According to the invention, there is provided a novel soybean variety designated 94B13. This invention thus relates to the seeds of soybean variety 94B13, to the plants of soybean 94B13, to plant parts of soybean variety 94B13 and to methods for producing a soybean plant produced by crossing plants of the soybean variety 94B13 with another soybean plant, using 94B13 as either the male or the female parent.