Mohammed Younus Shaikh (Punjabi, Urdu: محمد یونس شیخ, born 30 May 1952) is a Pakistani medical doctor, human rights activist and freethinker. When he was a teacher at a medical college in Islamabad, Shaikh was an active member of the South Asia Peace Movement and of the International Humanist and Ethical Union (IHEU). He took part in the Pakistan-India Forum for Peace and Democracy, and was a member of the Human Rights Commission of Pakistan. A free-thinker, he founded Enlightenment, an organization associated with the IHEU.