Ariadna Thalía Sodi Miranda (Spanish pronunciation: [aˈɾjaðna taˈli.a ˈsoði miˈɾanda]; born August 26, 1971, Mexico City, Mexico), known mononymously as Thalía, is a Mexican singer and actress. Referred to as the "Queen of Latin Pop", she is considered one of the most successful and influential Mexican artists. Having sold around 50 million records worldwide, she is one of the best-selling Latin music artists of all-time. Aside from her native Spanish, Thalía has also sung in English, French, Portuguese and Tagalog.

She has received numerous accolades, including five Billboard Latin Music Awards, eight Lo Nuestro Awards, as well as seven Latin Grammy Award nominations and their special "President's Merit Award" in 2019. She has collaborated with multiple artists, such as Tony Bennett, Michael Bublé, Robbie Williams, Marc Anthony, Laura Pausini, Romeo Santos, Maluma, Fat Joe, and Carlos Vives.

As an actress, Thalía starred in a variety of successful telenovelas that aired in over 180 countries with an estimated audience of 2 billion people according to UNICEF, which led to her being referred to as the "Queen of telenovelas" by the mass media. The global impact of her novelas helped her to popularize her music in non-Spanish speaking territories and markets in Europe and Asia. The Mexican media company Televisa has named her the best-paid telenovela actress in history, while Billboard names her the most widely recognized Spanish-speaking soap star in the world.

Considered a Latin pop icon, Thalía was included in Billboard's Greatest Latin Artists of All Time in 2020 and People En Español's The 100 most iconic Hispanic entertainers of all time in 2008. On 5 December 2013, she was honored with a star on the Hollywood Walk of Fame as a recognition for her achievements in the music industry. As a businesswoman, Thalía enjoyed success with a fashion brand (having signed a deal with Macy's), as well she had her own nationally syndicated radio show and is the author of four books, including her memoir. During her career, Thalía has been involved in humanitarian causes and is an UNICEF Mexico Ambassador since 2016.