Austin is an English masculine given name, an Old French language contraction of Agustin as Aostin, Austin (regular disappearing of intervocalic [g] from Late Latin to Old French; cf.
month August: Old French aüst / aoust, French août[1]).
Agustin is the popular form of Augustin,[2] equivalent to Augustine.
Variations of the name include Austen and Auston.