Denise O'Sullivan is a 32-year-old professional football player from IRL. He currently plays for NJ/NY Gotham FC Women, wearing the number 5 shirt. He plays primarily as a Midfield. He stands at 163cm tall and weighs 58kg. His current market value is estimated at 85K .

His most recent move was a Loan from Brighton & Hove Albion Women to North Carolina Courage Women on 2020-12-31.

Across 19 appearances in the United States Women's National Soccer League 2025, Denise O'Sullivan registered 0 goals and 2 assists, while completing 12 key passes out of 705 total passes with a passing accuracy of 31.7.