David Malangi, also known as David Malangi Daymirringu, nicknamed Dollar Dave, was an Indigenous Australian Yolngu artist from the Northern Territory. He was one of the most well-known bark painters from Arnhem Land and a significant figure in contemporary Indigenous Australian art. He became known for his work being printed without his permission on the Australian one-dollar note, which led to a copyright dispute.

The Yolngu or Yolŋu are an aggregation of Aboriginal Australian people inhabiting north-eastern Arnhem Land in the Northern Territory of Australia. Yolngu means "person" in the Yolŋu languages. The terms Murngin, Wulamba, Yalnumata, Murrgin and Yulangor were formerly used by some anthropologists for the Yolngu.