Seys is a surname. Notable people with the name include:
- Corneel Seys (born 1912), Belgian soccer player
- Evan Seys (1604–1685), Welsh-born British lawyer and member of parliament
- Roger Seys (died 1599), Welsh lawyer and politician
Usage examples of "seys".
He then remained silent and absorbed in thought, for now that the imminent danger was over, he was reflecting upon what Father Seysen had communicated to him, relative to Amine's having revealed the secret whilst in a state of mental aberration.