Malhun Hatun is a main female protagonist character in the Turkish TV series Kuruluş: Osman portrayed by Yıldız Çağrı Atiksoy.

She has faced losses but plays an influential role in Kayı Obası and is a constant companion to Osman Bey.

When the Kayi tribe is targeted by the Seljuk Vizier, Alamshah, Osman is framed for an assassination attempt on Sultan Mesud.

While the preparations for the Inegol conquest are underway, Osman's daughter Fatma who was sent to the highlands, returns to the tribe to the joy of her close ones.

With the arrival of Selcuk Valide Sultan Ismihan , Osman bey and Kayi tribe face major difficulties and Malhun resolves certain issues like such as when İsmihan Sultan spreads illness in Söğüt and Malhun takes care of people of Sogut and when Ismihan stops the goods for trade in the market of Yenişehir, Malhun goes herself to procure the goods, and gives a fitting response to Ismihan.Malhun demonstrates great patience when Orhan is paralysed after being given a poison at the command of Valide İsmihan.

When Osman Bey hears this, he immediately confronts İsmihan in anger and, with the help of Bala Hatun in court, proves Malhun's innocence.

However, Orhan, Alaeddin and Fatma are now adults.In this season, the family faces internal and external challenges as Osman pursues the expansion of the Ottoman domain.

Recognizing Saadet's animosity, Malhun devises clever strategies to maintain her position and ensure stability within the Kayi tribe.Malhun is also shown to be deeply involved in the tribe's defense when Mongol forces, led by Karacelasun, attack the Uç Bazaar.

Alongside Bala Hatun, she contributes to organizing resistance against these threats, emphasizing her role as both a protector and a leader within the Kayi tribe.

She opposes his potential marriage to Holofira, a Christian woman, believing that such an alliance might not serve the interests of a rising Muslim state.

The 46th episode, which marked her first appearance, was one of the reasons why the show was at the top that day and her character continues to attract attention.

Yildiz Cagri Atiksoy won the Golden Palm Awards 2021 in the category of Best TV series Actress of 2021 for her role as Malhun Hatun.

Before the release of season 2, Özge Yağız and Yağmur Öztürk were believed to play the role of Malhun Hatun due to the fact that they both shared videos of them taking fencing lessons.