Sead Kolašinac, Bosnian footballer
Sead Kolašinac (Bosnian pronunciation: [sěaːd kǒlaʃiːnats]; born 20 June 1993) is a Bosnian professional footballer who plays as a left-back for Ligue 1 club Marseille and the Bosnia and Herzegovina national team.

Kolašinac started his professional career at Schalke 04, playing first in its reserve team, before joining Arsenal in 2017. In 2021, he was loaned back to Schalke 04. The following year, he moved to Marseille.

A former German youth international, Kolašinac made his senior international debut for Bosnia and Herzegovina in 2013, earning over 40 caps since. He represented the nation at their first major championship, the 2014 FIFA World Cup.