Leanne is a 20th-century combination of Lee and Anne; Anne is the English form of the Hebrew Hannah and means "grace" or "favor", while Lee is an English surname meaning "meadow". The name can also be an English spelling of the French Liane. Leanne was a mid-century favorite in Britain and Australia and saw modest use in the United States: it stood at number 1018 in 2000, its best rank in this period, and is number 2503 among girls' names in 2025.