Aile Asszonyi (born 22 July 1975 in Väike-Maarja) is an Estonian soprano lirico-spinto who has an active career as an opera and concert singer. She was a finalist of the 2004 Queen Elisabeth Competition in Belgium receiving "Prix des Donateurs du Concours Reine Elisabeth" and has been honored by the Estonian Music Council with the "Interpretation Prize" in 2007; an annual award given in recognition of an artist who has made a significant contribution to Estonian music. In 2010 and 2012 Asszonyi was awarded with annual Estonian Theatre Award for outstanding operatic performances and the Estonian National Opera and SEB annual Audience award 2012.
Asszonyi was born in Väike-Maarja, Lääne-Viru County. She studied singing at the Estonian Academy of Music and Theatre with Ivo Kuusk, Matti Pelo and Helin Kapten, earning her M.A. in 2002. She was a member of the young artist program at Opera Studio Nederland until 2004, where she studied with Henny Jana Diemer. She also studied in the prestigious private academy of Carlo Bergonzi in Italy.