The 29-year-old revealed on Twitter that he had been accepted on a course at the prestigious Ivy League college: "I'm pleased to inform you that I've been admitted to Harvard Business School! Super excited about the programme and delighted to meet legendary [professor] Anita Elberse."
Dortmund fans need not worry about Sahin leaving the club, however; he is set to combine his studies with his regular day job at the Signal Iduna Park.
The Turkey international is not the first Bundesliga footballer to delve into extra-curricular academic activities.
Last year Bayern Munich forward Robert Lewandowski completed a course in Physical Education with coaching and management at Warsaw's School of Education in Sport, while Augsburg striker Alfred Finnbogason and Hertha Berlin defender Jordan Torunarigha also successfully finished courses of their own in 2017.
Watch: The Sahin story