Youssef Belammari (Arabic: يُوسُف بَلْعُمَرِيّ; born 20 September 1998) is a Moroccan professional footballer who plays as a left-back for Egyptian Premier League club Al Ahly and the Morocco national team. He began his football career by joining the youth teams of Fath Union Sports when he was aged 10. In 2017, he was called-up to the first team but he did not fully establish himself until the 2019–20 season. In 2023, he signed with Raja Club Athletic with whom he won the historic invincible-double in the 2023–24 season, an unprecedented achievement in the history of Moroccan football.