What religions require circumcision?

Jewish and Muslim. Also some fundamentalist baptists.
Agree w Dr. Klauber. Judaism - brit milah is the covenant of circumcision which is normally performed by a mohel on a male infant's 8th day of life. Islam – khitam is usually performed between the 7th day to the 7th year of a boy's life. This is addressed in the hadith. In some areas the circumcision is can be executed once a boy is able to recite the qur'an. In malaysia the circumcion is a rite of puberty ; normally.