Abstract: A novel soybean cultivar, designated 02346DD3, is disclosed. The invention relates to the seeds of soybean cultivar 02346DD3, to the plants of soybean 02346DD3 and to methods for producing a soybean plant produced by crossing the cultivar 02346DD3 with itself or another soybean variety. The invention further relates to hybrid soybean seeds and plants produced by crossing the cultivar 02346DD3 with another soybean cultivar.