Bassein may refer to:
India Vasai, a city in Maharashtra state, India; known as Bassein during Portuguese rule Treaty of Bassein (1534) Treaty of Bassein (1802) Military history of Bassein Vasai Assembly constituency Bassein Fort, a colonial fort in Vasai built by the Portuguese , Indian Navy ship; formerly known as HMS Littleham (M2707) Battle of Bassein, part of Maratha Portuguese war; also known as Battle of Vasai
Myanmar (Burma) Pathein, the capital city of Ayeyarwady Division, Myanmar; formerly known as Bassein Pathein Airport, airport in Pathein, Myanmar; formerly known as Bassein Airport Roman Catholic Diocese of Pathein, formerly known as Roman Catholic Diocese of Bassein Uzana of Bassein, heir-presumptive of the throne of the Kingdom of Pagan Pathein Township, township in Myanmar; formerly known as Bassein West Township Pathein River, a distributary of the Yangon River in Burma; formerly known as Bassein River
See also Bassin (disambiguation)