She was born in 1995 in Sivas. Her parents are teachers. Her mother is Hale Temizyürek and her father is Orhan Deniz. She got three years of theater education at her high school. At the age of 15 she wrote a poetry book titled I thought the Sun was my mother in Turkish. When she was 17, she joined a theater competition in her school and won an acting prize. She started with a tourism major at Ege University but soon changed her major to literature. Dilan participated in 2014 Elidor Miss Turkey beauty competition and won the 2. place. In the 2015 Miss universe pageant that took place in Miami she represented Turkey. In 2015 she acted as ‘Ebru’ in Tatlı Küçük Yalancılar. In that TV show she was joined with Bensu Soral, Şükrü Özyıldız, Alperen Duymaz, Beste Kökdemir, Büşra Develi, and Burak Deniz.

In 2015 she also acted as ‘Elif’ in Güneşin Kızları TV show with Hande Erçel and Tolga Sarıtaş. From August 2016 to June 2017 she played a leading role in the series Bodrum Masalı. In 2016 she was awarded with the shining star award at the Golden Butterfly Awards. In 2018 she appeared in a lipstick commercial for Avon Products. In January 2018, it was revealed that she was in a relationship with actor Furkan Andıç. The two broke up in November 2018.

From 2017 to 2019 she had one of the leading roles in the TV series Çukur, alongside Aras Bulut İynemli, Perihan Savaş, Erkan Kolçak Köstendil, Necip Memili and Rıza Kocaoğlu. In 2020, she was cast opposite Metin Akdülger in the movie One-Way to Tomorrow, which tells the story of two foreigners traveling from Ankara to İzmir.

In January 2018, it was revealed that she was in a relationship with Turkish actor Furkan Andıç

In 2020, She starred as Elif Urazoğlu opposite Burak Deniz in internet series Yarım Kalan Aşklar.