Aytaç Sulu (born 11 December 1985) is a German former professional footballer who played as a defender.
In his youth, Sulu played for FV Nußloch, SG Heidelberg-Kirchheim and SV Sandhausen.
He again reunited with Scharinger who then managed the Austrian team SCR Altach, but lasted a couple of months before transferring in 2013 to SV Darmstadt 98.
Sulu's fortunes changed dramatically when he joined Darmstadt, coached by Dirk Schuster.
In his debut Bundesliga season, Sulu was universally heralded for his defensive displays and resilient play style.
On 30 January 2020, Sulu returned to Germany by joining Carl Zeiss Jena on a short-term deal.