Shirika la Utatu Mtakatifu (kifupi Watrinitari, kutokana na neno la Kilatini Trinitas, maana yake Utatu) ni utawa wa Kanisa Katoliki ambao ulianzishwa kwenye eneo la Cerfroid, kilometa 80 hivi kaskazini mashariki kwa Paris (Ufaransa), mwishoni mwa karne ya 12.
- Text is from www.trinitarianhistory.org (2000), written by Fr. Joseph Gross, who is a member of the Order of the Holy Trinity and a scholar. He has done much research and study as well as writing extensively on the subject of the Order. (though it seems it has been changed now in places by others.