William Steindorsson is a professional footballer from DEN and is currently 22 years old. He is on the books of Lyngby and wears shirt number 17. His main role on the pitch is Midfield. His stronger foot is Right. His estimated market valuation currently stands at 250K €.

His latest transfer saw him join Lyngby from Lyngby U19 via on 2025-07-01.

Over 18 appearances in the Danish 1st Division 2025-2026, William Steindorsson contributed 2 goals and 2 assists, completed 4 key passes from 145 total passes, and posted a passing accuracy of 6.8.