Yilgarn is a large craton which constitutes the bulk of the Western Australian land mass.
Yilgarn may also refer to:
- Shire of Yilgarn, an administrative area in Western Australia
- Yilgarn Land District, a land district in Western Australia
- Yilgarn River (Western Australia)
- Electoral district of Yilgarn (1894-1930), a former electoral district of Western Australia
- Yilgarn Goldfield, one of the Western Australian Goldfields
- Yilgarn Railway, original name of the Eastern Goldfields Railway