Saiful is a given name. Notable people with the name include:
Saiful Apek (born 1969), famous comedian in MalaysiaSaiful Azam (born 1941), retired air force officer with the Pakistan Air ForceSaiful Haq, Bangladeshi architect, educator, architectural theorist and activistSaiful Hoque, Bangladeshi diplomat, Ambassador of Bangladesh to RussiaSaiful Islam (cricketer, born 1969), former Bangladeshi cricketerSaiful Islam (cricketer, born 1979), List A cricketer from BangladeshSaiful Islam (professor) FRSC, British materials chemistMohd Saiful Nizam Miswan (born 1981), Malaysian football playerSaiful Rijal, the eighth sultan of BruneiSaiful Kamaluddin, BruneianMohd Saiful Rusly (born 1978), Malaysian football playerShaykh Mufti Saiful Islam Sahib, Islamic scholarSaiful Amar Sudar, Malaysian footballerSaiful Bari Titu, football coach and former football player from Bangladesh