Iwona Sobotka (born 19 October 1981) is a Polish soprano and Grand Prix Winner of the Queen Elizabeth Music Competition.

Sobotka has performed all over Europe, in the Americas and Japan, in leading venues as the Berlin Philharmonie, the Konzerthaus in Vienna, Salle Pleyel in Paris, Royal Albert Hall in London, Palais de Beaux Arts in Brusseles and Suntory Hall in Tokyo.

She has performed with the most important Polish orchestras, as well as other European orchestras such as the Berliner Philharmoniker, Wiener Symphoniker, Rundfunk-Sinfonieorchester Berlin, NDR Sinfonieorchester, Bayerischer Rundfunkorchester, Royal Philharmonic Orchestra, Danish National Symphony Orchestra, Orchestre Philharmonique du Luxembourg, having worked with many of today's pre-eminent conductors including Sir Colin Davies, Sir Simon Rattle, Marco Armiliato, Sylvain Cambreling, Jesus Lopez Cobos, Jacek Kaspszyk, Aleksandar Markovic, Juanjo Mena, Massimo Zanetti and Antoni Wit She made her opera debut in 2007 at the Opéra National de Paris and appeared also on stage of Komische Oper Berlin, Polish National Opera in Warsaw, Perm Opera and Ballet Theatre, Grand Theatre, Łódź, etc.

Her operatic repertoire include roles of Violetta (La traviata), Tatyana (Eugene Onegin), Pamina (The Magic Flute), Donna Anna (Don Giovanni), Mimi (La bohème), Juliette (Roméo et Juliette), Liù (Turandot) or Micaëla (Carmen).

On a subsequent release for EMI Classics in 2006, she performed Songs of a Fairytale Princess with Sir Simon Rattle and the City of Birmingham Symphony Orchestra, which received five stars from the BBC Music Magazine.