Splenic preservation and conservative management are now accepted norms when dealing with splenic pathologic conditions. Recently, we managed one case of splenic pseudocyst by successfully performing partial splenectomy via a laparoscopic approach. This case report possibly the first case report of its kind in Korea, describes laparoscopic partial splenectomy for an undiagnosed and suspected benign splenic lesion. A thorough understanding of splenic anatomy permits laparoscopic partial splenectomy with the resultant benefits, including a decreased risk of postsplenectomy sepsis by preserving splenic function, short hospital stay, smooth convalescence, superior cosmesis, and non-recurrence. The success and relative ease of performing this procedure will pave the way for its future use in other selective cases involving splenic pathology.