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Lipomas are found very rarely in the stomach, where they account for only 3% of benign gastric tumors. Here, we report a case of large gastric lipoma removed successfully by laparoscopic intragastric surgery. A 45-year-old woman with no symptoms was incidentally diagnosed with a yellowish submucosal gastric tumor, about 3 cm in diameter, in the prepyloric antrum by upper gastrointestinal endoscopy. Pathological findings of biopsy specimens showed no evidence of malignancy. Computed tomography showed an ovoid and well-circumscribed intramural mass, measuring 35 mm, which was of fat density. These findings suggested that the tumor was a lipoma that we felt should be treated, because large lipomas can give rise to gastrointestinal bleeding. We performed a laparoscopic intragastric enucleation for this tumor. Postoperatively, the tumor was confirmed pathologically to be a lipoma of the stomach. This laparoscopic procedure for benign non-epithelial gastric tumors, such as lipomas, presented here is technically feasible, safe, and less stressful for the patient than gastrectomy.