Thanousack Nanthavongdouangsy is a professional footballer from LAO and is currently 20 years old. He is on the books of Ezra FC and wears shirt number 33. At international level, he features for Laos U17. His main role on the pitch is Forward. His estimated market valuation currently stands at 10K €.

His latest transfer saw him join Ezra FC from Vientiane FT via on 2024-06-30.

During the AFC Challenge League 2025-2026 campaign, Thanousack Nanthavongdouangsy made 3 appearances, scoring 0 goals and adding 0 assists. He averaged 0 goals per match from 0 shots, with 0 on target.