Lavalley or LaValley is the surname of the following people
Alexandre Lavalley (1821–1892), French engineer Gaston Lavalley (1834–1922), French writer and art historian Janet LaValley, American alternative rock singer Jim Lavalley (born 1948), Canadian Olympic bobsledder Terry R. LaValley (born 1956), American prelate of the Roman Catholic Church
See also La Valley, Colorado La Valley, Texas