Sem Verdonk is a professional footballer from NED and is currently 18 years old. He is on the books of Dordrecht and wears shirt number 77. His main role on the pitch is Forward. His stronger foot is Right.

His latest transfer saw him join Dordrecht from Feyenoord U21 via Loan on 2026-06-29.

During the Netherlands Eerste Divisie 2025-2026 campaign, Sem Verdonk made 19 appearances, scoring 0 goals and adding 0 assists. He averaged 0 goals per match from 0 shots, with 0 on target.