Deniz Daniel Gül (ডেনিজ ড্যানিয়েল গুল) is a professional footballer who plays as a forward for Primeira Liga club Porto. Born in Sweden, he plays for the Turkey national team.

Born and raised in Stockholm, to a Turkish father and Swedish mother, Gül started to play football with local club Stuvsta IF. He later went on to represent Segeltorps IF, IF Brommapojkarna, AIK and FC Djursholm at youth level.

In 2021, Gül joined the youth academy of Hammarby IF. In August 2022, Gül reportedly turned down a move to Italian club Cagliari. He won the 2022 P19 Allsvenskan with Hammarby, becoming the league's top scorer and being voted Forward of the Year.

In 2023, Gül was called up to the Swedish U19s, making appearances in the 2023 UEFA European Under-19 Championship qualification. On 6 November 2024, Gül announced he would instead represent Turkey internationally despite having made a dozen appearances for Sweden.

On 14 March 2025, Gül was called up by Vincenzo Montella to the Turkey national team for the 2024–25 UEFA Nations League promotion/relegation play-offs against Hungary. On 18 November 2025, he scored his first national goal against Spain in the 2026 FIFA World Cup qualification.