Hey you ! welcome to kidsname.info . So you are here to know about name Sadhu . We have gathered information about this name like meaning , rashi in English , Nakshatra , Gender , religion and numerology of name Sadhu . It is Sadhu is a Sikh name that means it mostly being used in Sadhu is a Sikh. Basically it means Eternal lamp, Flame . The rashi of this name is - Nakshatra of this name is - , Boy is Gender and the lucky number for name is 8.