Vikki Thorn

Vikki Elizabeth Thorn (née Simpson, born c. 1974) is an Australian harmonica player, guitarist, vocalist, and songwriter and one-third of the Australian folk rock band the Waifs. Her elder sister, Donna Simpson, also plays guitar and sings in the group. Vikki has released eight studio albums with the Waifs, and wrote the band's singles, "Bridal Train" (2004) and "Sun Dirt Water" (2007).

Since 2021, Thorn has released music under the name Thornbird.