He was born on May 14, 1992 in Istanbul.

She graduated from the theater department of Private Pera Fine Arts High School. She completed her undergraduate education at Istanbul University State Conservatory Theater Department. She starred in various commercials, promotional catalogs and TV series.

She made her acting debut in 2003 as a guest actress in the series 'Who is the Boss? In 2005, she drew attention with her character 'Yeşim' in the series 'Belalı Baldız'. In 2007-2008, she played the character of 'Mine' in the series 'Dear Dünürüm'.

In 2010, she performed in the theater play 'Queen Lear' with Yıldız Kenter. In 2011-2012, she made a name for herself with her character 'Cansu' in the series 'The Girl Named Feriha' starring Hazal Kaya and Çağatay Ulusoy.

Sedef Şahin appeared in the series 'Emergency Love' in 2015, 'Diriliş Ertuğrul' in 2016 and 'Vatanım Sensin' in 2018. She also appeared in the movie series 'Enchanted: From the Kabir' in 2019 and 'Efsunlu Ayin' in 2020.