Ria Antoniou (Greek: Ρία Αντωνίου, Greek pronunciation: [ˈria andoˈniu], born 14 July 1988) is a Greek beauty pageant titleholder, the 2nd runner-up in Star Hellas 2008. She is also a model, a singer and an actress. She is a sex symbol of 2000's and 2010's.
Being half peloponnesian, she entered and won the Miss Peloponnese pageant in 2007. She represented Greece in the Model of the World pageant and placed as a 2nd runner-up. After the pageant Ria Antoniou was appointed by the Star Hellas Organization to represent Greece in Miss Earth 2008 on 9 November 2008, in Angeles City (Pampanga, Philippines). She posed many times for Playboy, Esquire and Nitro. From 7 January to 17 March 2012, she appeared on the 8th edition of Ballando con le Stelle, the Italian version of Dancing with the Stars: she was paired with Raimondo Todaro, winner of three different editions of the show (the 2nd, the 3rd and the 6th); they finished at the 3rd place. From 24 March to 7 April 2012 she hosted, with Paolo Belli and Milly Carlucci, Ballando con te. A few months later, precisely on 8 December 2012, Ria Antoniou presented the 2012 edition of The Look of the Year Fashion Awards with Nino Graziano Luca. Ria Antoniou in April 2016 recited in the movie La coppia dei campioni of Giulio Base, together with Massimo Boldi and Max Tortora. Ria Antoniou in the autumn of 2016 became the new primadonna (flanked by four dancers) of the eighteenth edition, hosted by Luca Bizzarri and Paolo Kessisoglu, of the comedy show Colorado aired on Italia 1, the network for which Ria Antoniou holds since September 2013 the role of "fixed commentator" (opinionista fissa) in the sports talk show hosted by Pierluigi Pardo Tiki Taka - Il calcio è il nostro gioco. Ria Antoniou in November 2016 recited, as female lead, in the movie Non si ruba a casa dei ladri of Carlo Vanzina. In August of 2017 Ria Antoniou posed naked for the 2018 nude calendar of For Men Magazine. At the end of 2017 Ria Antoniou was announced as the «Sexiest Greek model» for the year 2017, amongst 143 other contestants on the Greek mens magazine Kafto. In the winter and in the spring of 2018 Ria Antoniou took part in the late-night variety show of Rai 2 Sbandati with the role of "fixed commentator" (opinionista fissa). In the summer of 2018 Ria Antoniou was the only female commentator and showgirl in the sports talk show, hosted by Pierluigi Pardo and aired by Italia 1, Tiki Taka Russia dedicated to 2018 FIFA World Cup.