Alexander Heights is a suburb of Perth, Western Australia within the City of Wanneroo.

Originally named in 1977 as "Alinjarra", an Aboriginal word for "north", this suburb was renamed Alexander Heights in 1987.

The name is derived from Alexander Drive, the main arterial road into the area, which forms the suburb's eastern boundary.

[2] The suburb contains the Alinjarra Primary School, which covers from kindergarten to year 6.

The suburb is linked to the Perth CBD by the 360 and 361 Transperth bus routes that run between Perth Busport and Alexander Heights Shopping Centre on Mirrabooka Avenue on the west side of the suburb.