|Area:||16.9 km (6.5 sq mi)|
|Location:||13 km (8 mi) from Melbourne|
|Local Government Area:||City of Hobsons Bay|
|State District:||Altona, Williamstown|
Altona is a suburb in Melbourne, Victoria, Australia, 13 km south-west from Melbourne's central business district. Its Local Government Area is the City of Hobsons Bay. At the 2006 Census, Altona had a population of 9685.
Altona is a large suburb consisting of low density residential in the south-eastern half, with mixed industry in the north-western half. A key feature is Altona Beach on Port Phillip, which is one of only two swimming beaches in the western suburbs.
Altona takes its name from the then independent German city of Altona which is today a borough of Hamburg.