Born in Augsburg, Germany, in 1994, soprano Yasemin Önlü graduated with distinction from Mersin University State Conservatory, where she studied opera and performing arts under the guidance of soprano Gülşah Uygur.

Throughout her artistic training, she further refined her vocal technique and musical interpretation through masterclasses with internationally acclaimed artists, including Nino Machaidze, Luca Pisaroni, Daniela Barcellona, Cristina Pastorello, Simge Büyükedes, Noé Colín, and Prof. Victoria Loukianetz.

Önlü has appeared in opera productions, international festivals, solo recitals, and orchestral concerts across Türkiye and Europe. In 2024, she performed the role of Susanna in Mozart’s Le nozze di Figaro at Teatro Miela in Trieste, accompanied by the Orchestra Filarmonica del Teatro Verdi di Trieste under the musical direction of Alessandro Vitiello. In 2025, she reprised the role at the Vienna Opera Festival under the baton of Toby Purser. That same year, she presented a solo vocal recital at Mozarthaus Vienna, accompanied by pianist Marco Dal Carobbo.

Her concert engagements include appearances as a soloist with the Istanbul State Opera and Ballet Orchestra, Istanbul Metropolitan Municipality City Orchestra, Samsun City Orchestra, and Nilüfer Symphony Orchestra. She has performed at prominent cultural venues including the Atatürk Cultural Center, Cemal Reşit Rey Concert Hall, and Merinos Atatürk Congress and Culture Center. Her international recital experience also includes a Mozart recital at Palazzo Gopcevich, Sala Bazlen, in Trieste, Italy, in 2024, accompanied by pianist Francesca Clemente.