Lewis William Walt (February 16, 1913 – March 26, 1989), also known as Lew Walt, was a United States Marine Corps four-star general who served in World War II, the Korean War, and the Vietnam War. Walt was decorated several times, including two Navy Crosses for extraordinary heroism during World War II, one for leading the attack on "Aogiri Ridge" during the Battle of Cape Gloucester (New Britain); the ridge was renamed "Walt's Ridge" in his honor.