Alistair is a male given name and is of Scottish origin. It means defender of mankind. Pronounced as AL-әs-tәr, the name is currently in the top 500 of NameChef Most Popular Baby Names and in the top 1000 of U.S birth chart of the year 2022. Variations of Alistair include Alastair, Alister.
Alistair is a boy's name.