Stela Kotsaki (; born 2 September 1997) is a Greek footballer who plays as a defender for A Division club REA in Rethimno, Crete and the Greece women's national team. She previously played for Amazones Dramas, Aris FC, Ergotelis W.F.C. and Doxa 2016.
Kotsaki has been capped for the Greece national team, appearing for the team during the 2019 FIFA Women's World Cup qualification.