Syaiful is a given name. Notable people with the name include:
Syaiful Cahya (born 1992), Indonesian footballer Syaiful Iskandar, Singaporean footballer Syaiful Lewenusa (born 1986), Indonesian footballer Syaiful Ramadhan (born 1989), Indonesian footballer Syaiful Syamsuddin (born 1993), Indonesian footballer Syaiful Zero (born 1988), Malaysian actor
See also Muhammad Syaiful Alias (born 1999), Malaysian footballer Muhammad Nur Syaiful Zulkafli (born 1995), Malaysian swimmer