Hakan Çalhanoglu was born in Mannheim, Germany, on February 8, 1994, to Turkish parents. Growing up in Germany, he developed a passion and strong base for football from a young age, beginning his youth career with local clubs. He started with 1. FC Turanspor Mannheim and then joined Waldhof Mannheim before joining Karlsruher SC's youth academy. His upbringing in a multicultural environment likely shaped his adaptable playing style and resilient character. Hakan Çalhanoğlu family has always been a significant part of his journey, providing unwavering support throughout his career. Çalhanoğlu has a younger brother, Muhammed Çalhanoğlu, who is also a professional footballer. Despite being born in Germany, Hakan chose to represent Turkey at the international level, a testament to his strong ties to his heritage.
Hakan Çalhanoglu wife is Sinem Gündoğdu. They often share glimpses of their life on social media, showcasing a strong and supportive relationship. Hakan also has 3 kids, 2 girls and a boy. Hakan Çalhanoğlu and his wife, Sinem Gündoğdu, did have a period of marital problems. In 2018, reports indicated a divorce filing due to alleged marital issues, but the couple later reconciled. And they had a girl in 2019.