Scáthach is the Lancer-class Servant who first appeared in Fate/Grand Order. Below are the variations of Scáthach that have appeared in FGO:
| Rarity | Icon | Servant | Description |
|---|---|---|---|
| 5★ | 
|
Scáthach | The original Scáthach, appearing in the E Pluribus Unum storyline. |
| 4★ | 
|
Scáthach (Assassin) | The Assassin-version of Scáthach, appearing in the FGO 2016 Summer Event storyline. |
| 5★ | 
|
Scáthach-Skaði | A Servant originating from the Scandinavian Lostbelt, appearing in the Götterdämmerung storyline. |
| 5★ | 
|
Scáthach-Skaði (Ruler) | The Ruler-version of Scáthach-Skaði, appearing in the Arctic Summer World storyline. |