Ivana Sert (/ˈsɛrt/ Serbian Cyrillic: Ивана Серт; born 25 October 1979) is a Serbian-Turkish television personality, socialite, presenter, model, fashion designer, entrepreneur, businesswoman, beauty pageant titleholder, author, and occasional actress. She is the founder of the Ivana Sert brand and was known for her role as a judge on Show TV's Bugün Ne Giysem? (2010–13). After that Sert joined the TV show İşte Benim Stilim.
She was born as "Ivana Smiljković" in 1979. Before pursuing a career in modeling, she studied piano and ballet until the age of 16. Having been crowned Miss Belgrade in 1999, she competed in the Miss Yugoslavia and Miss Globe International pageants.
In 2002, she moved to Turkey. It was in Istanbul that she met her husband Yurdal, son of prominent real estate developer Mehmet Sert. The couple married in 2004 and became leading figures in Turkish high society. On 31 October 2006, she gave birth to her only child, Kayon Ateş, in Los Angeles, California.