Nguyễn Văn Lữ (, 1754 - 1787) was the one of the Tây Sơn brothers who formed Quangnam's short-lived Tây Sơn Dynasty. His older brothers were Emperor Thái Đức, common name Nguyễn Văn Nhạc and Emperor Quang Trung, common name Nguyễn Văn Huệ. After defeating the Nguyễn Lords and seizing Saigon in 1783 Nguyễn Lữ became king of the South, while Nguyễn Nhạc was crowned king of central Vietnam.