Question: Someone claims that it is permissible to swear by the Qur’aan. They do not mind swearing by the Mus-haf (copy of the Qur’aan). We advise them but they do not accept our advice. What is your opinion regarding this matter?
Answer: It is permissible to swear by Allaah, His Attributes, and the Qur’aan which is the Word of Allaah and one of His Attributes. Therefore, it is permissible to swear by it if someone intends by swearing the Words contained therein… read more here.