Kerstin·Casparij is a 26-year-old professional football player from NED. He currently plays for Manchester City Women, wearing the number 18 shirt. At the international level, he represents Netherlands Women. He plays primarily as a Defender. He stands at 171cm tall and weighs 66kg. His current market value is estimated at 90K .

His most recent move was a Free from FC Twente Enschede Women to Manchester City Women on 2022-07-26.

Throughout the English FA Women's Super League 2025-2026, Kerstin·Casparij featured in 16 matches, averaging 3 tackles, 0.8 interceptions, and 2 clearances per game, while blocking 0.4 shots per game.