Yunndaga is an abandoned town located in the Goldfields-Esperance region in Western Australia, between Kalgoorlie and Leonora along the Goldfields Highway.

In the mid-1890s gold was discovered in the area, and by 1898 a layout for businesses and residences was planned, initially called Woolgar.

A town named Woolgar already existed in Queensland, so Yunndaga was chosen instead.

[1] In 1897 when construction of the Kalgoorlie to Menzies railway line commenced a siding was later established in Yunndaga.

The narrow gauge line was closed in 1973 and the siding was subsequently demolished.