Filippina Lydia "Tina" Arena AM (born 1 November 1967) is an Italian-Australian singer-songwriter, musician, musical theatre actress, and record producer. She is one of Australia's highest selling female artists who has sold over 10 million records worldwide. Arena is an artist with the vocal range of a soprano and is multilingual: she sings live and records in English, Italian, French and Spanish. In April 2013 she was voted Australia's all-time greatest female singer, and third-greatest singer overall, in an industry poll conducted by music journalist, Cameron Adams, for the Herald Sun.

Arena has earned several international and national awards, including seven ARIA Awards, and two World Music Awards for 'Best-selling Australian Artist', which she received in 1996 and in 2000. In 2011, Arena became the first Australian to be awarded a Knighthood of the French National Order of National 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 2012, Arena appeared as a judge and mentor on the revival of the Australian television variety programme Young Talent Time: the original Young Talent Time series had made her a household name in the 1970s and 1980s, as "Tiny Tina", which screened on Network Ten from 1971 to 1988. In October 2013, Arena released her first English album of original material in eleven years, titled Reset. In the same month, Arena published her first autobiography, titled Now I Can Dance, which has been reprinted four times. Also in 2013, Arena participated in the 13th Australian series of Dancing with the Stars, reaching third place behind Cosentino and Rhiannon Fish.

In September 2015, Arena hosted shows on SmoothFM Radio Stations from 4:00 pm every Saturday on Sydney's SmoothFM 93.5 and on Melbourne's SmoothFM 91.5. In 2015, Arena was inducted into the ARIA Hall of Fame at the 2015 ARIA Awards ceremony. On 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. On 27 April 2016, the Governor-General of Australia, Sir Peter Cosgrove, presented Tina Arena with her insignia as a Member of the Order of Australia (AM) at a private ceremony in Paris. To celebrate her 40 years in the music industry, Arena released a 31-track 2-CD compilation album called Greatest Hits & Interpretations on 7 April 2017 containing all her hits and covers of her songs by various international artists. This album debuted at No. 2 at the Australian charts and is now her 8th Top 10 album in Australia.