The invention provides seed and plants of pea line SV0823QG. The invention thus relates to the plants, seeds, and tissue cultures of pea line SV0823QG and to methods for producing a pea plant produced by crossing a plant of pea line SV0823QG with itself or with another pea plant, such as a plant of another line. The invention further relates to seeds and plants produced by such crossing. The invention further relates to parts of a plant of pea line SV0823QG, including the seed, pod, and gametes of such plants.