Filippina Lydia "Tina" Arena (born 1 November 1967) is an Australian singer-songwriter, musician, musical theatre actress and record producer. She is one of Australia's highest-selling artists and has sold over 10 million records worldwide. Arena is multilingual, singing and recording in English, Italian, French and Spanish.

Arena has earned several international and national awards, including a BRIT Award, seven ARIA Awards and two World Music Awards for Best-selling Australian Artist (1996, 2000). In 2001, she was awarded a BMI Foundation Songwriting Award (Broadcast Music Inc) by the American performance rights organisation for co-writing "Burn" with Pam Reswick and Steve Werfel. In 2011, Arena became the first Australian to be awarded a knighthood of the French National Order of Merit, presented by the President of the French Republic, Nicolas Sarkozy, for her contributions to French culture, and ceremonially awarded by Frédéric Mitterrand, the Minister of Culture and Communication of France.

In 2015, Arena was inducted into the Australian Recording Industry Association ARIA Hall of Fame. On Australia Day, 26 January 2016, Arena was recognised in the Australia Day Honours and appointed a member in the General Division of the Order of Australia "for significant service to the music industry as a singer, songwriter, and recording artist, and as a supporter of charitable groups". In 2016 Arena was appointed as a Member of the Order of Australia (AM).

In March 2019, the Government of Australia appointed Arena as a board member of the Australia Council for the Arts for a three-year term.