Sidek bin Saniff (born 18 April 1938) is a former Singaporean politician and activist. A member of the ruling People's Action Party, he was the Member of Parliament of Aljunied GRC for Eunos ward from 1997 to 2001. He was Parliamentary Ministry of Communications and Information and Second Parliamentary Secretary, Ministry of Culture from 1980 to 1981, Parliamentary Secretary, Ministry of Social Affairs from 1981 to 1984 and Parliamentary Secretary, Ministry of Trade and Industry from 1981 to 1988.