Brittainny \br(it)-tainny, britt(ain)-ny\ as a girl's name is a variant of Brittany (Latin), and the meaning of Brittainny is "from Brittany or Great Britain".

The baby name Brittainny sounds like Brittainy, Brittiny, Brittiney, Brittiany, Brittann, Brittaney and Britanny. Other similar baby names are Brettany, Brittini, Brittney, Brittania, Brittanya, Bryttany, Brittony, Brittny, Brittlynn, Brittlin, Brittine, Brittina, Brittin, Brittianni, Brittiani, Britteny, Britteney, Brittanyne, Brittani, Brittanee, Brittane, Brittana, Brittan, Brittamy, Britiney, Britany and Brettiney.