Thelma Amelina Plumbe (born 21 December 1994), known professionally as Thelma Plum, is an Aboriginal Australian singer-songwriter-guitarist from Delungra, New South Wales. Her debut album, Better in Blak, was released in July 2019 and peaked at No. 4 on the ARIA Albums Chart. At the ARIA Music Awards of 2019 she won Best Cover Art for Dennis Pfitzner's work.