The List of Kuruluş Osman characters lists the characters appearing in Kuruluş Osman, a Turkish TV series created by Mehmet Bozdağ. It focused on the life of Osman I, founder of the Ottoman Empire. Osman is portrayed by Burak Özçivit.

Some of the characters are based on people related to Osman I, including Rabia Bala Hatun, Sheikh Edebali, Malhun Hatun, Ertuğrul and Köse Mihal along with fictional characters adapted from the Book of Dede Korkut, such as Selcan Hatun and Bamsı Beyrek.

Every season saw additions to the cast. In the first season, Alma Terzić and Eren Vurdem joined the cast. In Season 2, Erkan Avcı, Yıldız Çağrı Atiksoy and Kanbolat Görkem Arslan were credited. In Season 3 Serhat Kiliç played Tekfur Michael Kosses, a relative of the emperor, Tekfur of Harmankaya Castle, the most noble and powerful tekfur of Bithinya, and owner of the principality of Harmankay.

Main characters Osman Bey

Osman (Burak Özçivit; seasons 1–6) is the third and youngest son of Ertuğrul Ghazi and Halime Hatun. He is also the younger brother of Gündüz Bey and Savcı Bey, and nephew of Selcan Hatun, whom he treats as his mother. He is the husband of Bala Hatun and Malhun Hatun, and the father of Orhan, Alaeddin Ali Pasha, Fatma Hatun and Halime Hatun and father-in-law of Elcim Hatun, Gonca Hatun (Yakup Bey's daughter) and Holofira Hatun. He aspires to follow his father Ertuğrul and his grandfather Süleyman Şah. He is attentive to his surroundings and good with a sword, like his father. He also disobeys his beys, like his father, choosing his own path. His weakness is his care for those close to him, making him prone to traps. He humiliates his enemies on the battlefield and while negotiating with them, stoking a thirst for revenge. He is elected Bey of the Kayı tribe in Season 2. He decides to marry a second wife (Malhun Hatun) as per his father's will, and also changes the Kayı flag. He continues his struggle for his free realm by conquering castles like Kulucahisar, Marmaracik, Koyunhisar, Köprühisar, Yarhisar, Bilecik (İnhisar), Inegol, territory of Yenişehir, Itburnu, Lefke, Kestel, Kite, Atranos, Karaçabeş, Goynuk, Mudurnu and Mekece and Karadin Castle. He also has Karachisar castle and Soğut and Domaniç that was conquered by his father Ertuğrul. He now has determination of conquering Bursa. He is a true warrior who is very fierce toward his enemies and a kind ruler for his people no matter from which religion they belong. He finally announces his free state "Osmanli Beyliğı (Ottoman Beylik) approved by white bearded organization (Aksakals) in season 5.Based on Osman I.

Bala Hatun Bala (Özge Törer; seasons 1–6), the first wife of Osman Bey, is the daughter of Şeyh Edebali and Ulduz Hatun, who died of a disease, daughter in law of Ertuğrul Bey and Halime Sultan, the sister-in-law of Dursun Fakih through her unknown sister. She is the mother of Alaeddin Ali and Halime Hatun, Step-mother of Orhan Bey and Fatma Hatun. She is mother-in-law of Gonca Hatun (Yakup Beys's daughter) and step-mother-in-law of Elcim Hatun and Holofira Hatun. She is the Chief Lady (Hanım/Baş Hatun) of the Kayi tribe and the head of the Bacıyân-ı Rûm (succeeding Aygul). She is a painter who is loyal to her father, her husband, the Ahi brotherhood, and Selcan Hatun. She was best friends with Gonca Hatun (deceased). She is calm and patient, but is prone to heartbreak. A Mongol stabbed her in Season 1, leaving her infertile and the subject of teasing. In Season 2, after her husband is elected bey, she becomes baş hatun of the Kayı tribe, succeeding Selcan Hatun. She is upset when Osman decides to marry a second wife, due to his late father's will, although she accepts her fate. She attempts to find him a wife, which leads to her meeting with Aksu Hatun, whom Osman rejects because she is not the daughter of a bey. Aksu is later killed by Targun Hatun, who loved Osman but seeks revenge on him after he exiles her for poisoning Bala. Targun regarded Bala as an obstacle preventing her marriage to Osman. After killing Targun, Bala had tensions with Malhun Hatun, who later becomes the second wife, although Bala and Malhun accept each other. Bala later becomes pregnant and gives birth to Osman's second son Alaeddin Ali. Two months after the victory of İnegöl, she learns that she is expecting again and later gives birth to a daughter, Halime. In the first episode of Season 5, Bala's daughter, Halime is deceased, and Bala Hatun has a terrible disease. She eventually recovers. She is a warrior lady who is always at the forefront of conquests and wars supporting her husband Osman. Özge Törer won the Best Actress of the Year award at the Crystal Globe Awards for her performance. The character is based on Rabia Bala Hatun.

Malhun Hatun Malhun (Yıldız Çağrı Atiksoy; Seasons 2–5), is the daughter of Ömer Bey, the second wife of Osman Bey, daughter-in-law of Ertugrul Ghazi and Halime Sultan, mother of Orhan and Fatma Hatun. Step-mother of Alaeddin Ali Bey and Halime Hatun. She is Mother-in-law of Elcim Hatun, Holofira Hatun and step mother-in-law of Gonca Hatun (Yaqup Bey's daughter). She is the Chief Lady (Hanım/Baş Hatun) of the Bayindir tribe and Yenisehir. She belongs to the Bayındır tribe, an Oğuz tribe settled in Ankara suffering persecution from Geyhatu. The tribe consists of 10,000 people and seeks to settle in Bithynia on Osman's invitation, which was one of the reasons why Malhun comes. She is skilled in archery and combat.She has a noble lineage of Beys formerly loyal to the Selçuk State and Sultan Alaeddin Keykubat. In the beginning she has tense relations with Bala, but eventually they get along. She is sent by her father to examine the western borders of the state. She discovers Dündar's ring in Söğüt, and attempts to find the traitors in the Kayı tribe herself. Osman then initiates a major battle with the Byzantines, with the support of Malhun Hatun which is historically known as the Battle of Domanic. She later marries Osman Bey after Osman is advised by Seh Edebali to marry another woman to get heir for his beylik and becomes pregnant soon after. She gives birth to Osman's first child Orhan. She administers Yenişehir trade. She is a brave hatun, supporting her husband Osman in battlefields and also accompanies him on his conquests. She is Devlet Ana of Ottoman Empire. At almost the end of Season 4 she is revealed to be pregnant with Osman's fifth child. Actress Yıldız Çağrı Atiksoy won Golden Palm Awards 2021 in the category of Best TV Series actress for her role as Malhun Hatun . Based on Malhun Hatun.

Orhan Bey Orhan (Aybars Kartal Ozson supporting in seasons 3–4; Emre Bey, starring in season 5–6) is the eldest son of Osman and Malhun Hatun. Step-son of Bala Hatun. He was born to the joy of Osman and whole Kayi Tribe as the birth of Osman's heir was long-awaited. Elder brother of Alaeddin Ali, Fatma Hatun and Halime Hatun. Husband of Elcim Hatun and Nilufer Hatun. He is the Bey of Karachisar and Karaçebes Castle. He is a skilled fighter and a brave warrior, just like his father, and he always protects his siblings. He often goes to fights and battles along with Osman and his alps. He is in love with Holofira but later weds Elcim Hatun to strengthen the political alliance between the two Kayi Tribes. Later loses his wife and unborn child in unfortunate circumstances. He rescued Holofira from her forced marriage and married her. Based on Orhan, the 2nd sultan of the Ottoman Empire.

Alaeddin Ali Alaeddın Alı Bey (Yaman Çınar Balcı, supporting in seasons 3–4; Ömer Faruk Aran, starring in season 5-6 ) is the miraculous son of Osman and his first wife Bala Hatun. Step-son of Malhun Hatun. Younger brother of Orhan. Elder brother of Fatma Hatun and Halime Hatun. Husband of Gonca Hatun. He is the Bey of Akhisar Castle. He studied in a Madrasah and is well-versed in both deen and medicine. He is very brave, noble, wise and smart like his parents and grandfather. He also sometime accompanies his father and brother in wars. He is very attached to his mother, Bala Hatun. He is in love with Gonca Hatun, daughter of Yakup Bey whom he married secretly and had a daughter named Hayme who was still born. Based on Alaeddın Alı Bey.

Boran Bey

Boran (Yiğit Uçan; starring in seasons 1–TBD) is one of Osman Bey's main supporters. He is the widower of Gonca Hatun and a close companion of Konur and late Göktuğ, Dumrul, Gence Bey and Cerkutay. He is a talented bard and singer. He uses a sword. He is skilled in archery, and often also uses a bow and arrow in close combat. He is devastated after the death of Gonca Hatun and takes his revenge by killing Julia. He allies with Konur Alp to support Osman Bey when Gunduz Bey took over Kayi Beylik. Evolves over time with Osman bey and is with his children and him most of the time. Later falls in love with Esrigun Hatun in Season 4. At the end of Season 4 Osman made him the Bey of Koprihisar castle.

Cerkutay Bey Cerkutay (Çağrı Şensoy) (seasons 1-TBD)is one of Balgay's former men. He laughs at everything. He is friends With Göktug. He likes to joke around, particularly with Boran Alp and Göktuğ Alp. He has a keen appetite for food and drink, often eating and drinking excessively. He is the Widower of Aygul Hatun, and the step father of Kayı Alp. In Season 4 he married Ulgen Hatun and they have a son named Cerkutaye Jr (Gazi Alp).

Konur Bey Berk Ercer (starring in seasons 3–5) as Konur Alp / Sarkis. He was a Seljuk commander who was the right-hand man of Vizier Alemshah. He has a scar on the left side of his face. Later had a change of heart by Seikh Edebali and sided with Osman Bey. He is a skilled warrior and best at carrying out secret missions. At the end of Season 4 Osman made him the Bey of Koyunhisar castle. Not be confused with Season 1 Konur Alp. Based on Konur Alp.

Turgut Bey Turgut (Ruzgar Aksoy; starring seasons 3-4) is a Turk nobleman. Husband of Princess Mari. He became a good friend of Osman and helped him in his conquests. Osman gave him Inegol Castle.He went to Gazan Han with Sheikh Edebali in the end of season 4 and did not appear in season 5.

Dündar Bey Dundar (Ragıp Savaş; seasons 1–2) was the youngest son of Süleyman Şah and Hayme Hatun. The youngest brother of Sungurtekin Bey and Ertuğrul Ghazi, and the youngest adoptive brother of Selcan Hatun. Husband of Hazal Hatun and widower of Zöhre Hatun. Father of Aygül, Batur and Bahadır, adoptive father of Saltuk Alp. Uncle of Gündüz, Savcı and Osman is easily swayed by others. He was made substitute Bey while Ertuğrul Ghazi was on a mission in Konya. When the Mongols attacked, he preferred to bow down to them rather than fight, angering those who were close to Osman Bey. Tries to take over Gündüz's Beylik when he became the Bey instead of him and helps the Mongols against Osman Bey. Is manipulated by his wives. He became the Selçuk Sançak Bey, a Selçuk operative figure, for a while after he allied with the Mongols. He later accepts his mistakes and begs for forgiveness but was punished by Ertuğrul and sent out of the tribe for a while into Söğüt. He respects and is loyal to his older brother, Ertuğrul Ghazi. Later in Season 2, when Ertuğrul is on his death bed, he decides to betray his brother and nephews in order to seize the Kayı Beylik. He is angered when Osman becomes the Bey, collaborating with anyone against Osman. He is eventually executed by Osman for his treachery. Based on Dündar Bey.

Aya Nikola