Sulaiman Khamis Humaid Al-Mazroui commonly known as Sulaiman Al-Mazroui (Arabic: سليمان خميس حميد المزروعي‎; born 13 September 1972) is an Omani footballer who last played for Muscat Club. He is also currently the longest serving player of the national team for a total of 15 years of representing Oman. Although he is a goalkeeper, in the early part of his career he was an outfield player. He was also the captain of the national team.