Ballardong are an indigenous Australian people of the south western area of Western Australia.
The Ballardong's land encompassed an estimated 10,500 square miles (27,000 km2). Northwards they occupied the Avon River. From York, To the east they extended to Tammin, Kununoppin, Waddouring Hill, and Bencubbin, Toodyay, Goomalling, the Wongan Hills. On their southern flank lay Pingelly and Wickepin. Their western frontier was at the Darling Scarp.
The Ballardong engaged in mining, quarrying stones to be shaped and sharpened for knives and multibarbed spears at Kalannie Boyangoora, Booyungur.
- Balladong, Ballardon
- Warrangul, Warrangle ("kangaroo country". This ethnonym was also applied to the Koreng)
- Toode-nunjer (a coastal exonym for the Ballardong, properly, Tu:denyunga (Toodyay men))
- Boijangura, Boyangoora, Booyungur (hill people)
- Maiawongi (language name)
- Mudila, Mudilja, Mudi:a (general Kalamaia exonym for the Ballardong and other uncircumcised tribes to their southwest).
- Minang ("south", used by the Kalamaia of the Ballardong and other southern tribes' languages) Boyangoora, Booyungur
- maman (father)
- unkan (mother)
- chungar (whiteman)
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