Win \win\ as a boy's name (also used as girl's name Win), is a variant of Elwin (Old English), Winston (Old English) and Wynn (Old English), and the meaning of Win is "elf or magical being, friend; joyful stone".
The baby name Win sounds like Fin, Wyn, Vin, Wain and Winn. Other similar baby names are Lin, Wim and Wil.