2018–19 Sepsi OSK Sfântu Gheorghe season

The  2018–19 season is Asociația Club Sportiv Sepsi OSK Sfântu Gheorghe's 8th season in existence and the 2nd season in Liga I. Sepsi will compete in the Liga I and Cupa României.

Squad information
Players and squad numbers last updated on 7 October 2018. Note: Flags indicate national team as has been defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality.

Liga I
The Liga I fixture list was announced on 5 July 2018.

Appearances and goals
! colspan=14 style="background:#dcdcdc; text-align:center"|Goalkeepers

! colspan=14 style="background:#dcdcdc; text-align:center"|Defenders

! colspan=14 style="background:#dcdcdc; text-align:center"|Midfielders

! colspan=14 style="background:#dcdcdc; text-align:center"|Forwards

! colspan=14 style="background:#dcdcdc; text-align:center"|Transferred in mid-season