No, Muslims are not allowed to celebrate birthdays. This is a haram. This would be idle worship. Muslims only worship Allah and no one else. kasey7866's answer muslims are not allowed to celebrate birthdays is because it is following the christians ..... some muslims belive and know that by celebrating birthdays it cuts of one year of your life......... thankyou Vesperian Mage's answer: I come from a muslim family and we all celebrate our birthdays, it's not not allowed (if that makes sense). It usually depends on the manner how you celebrate. Eg: Muslims do not go to clubs and pubs and throw wild parties and stuff. Some muslims either have a birthday party at home where they invite close friends and family and others prefer to eat out in a resturaunt. (just simple and nice:]) Though the o