Rinchen, meaning "treasure", is a Tibetan name, used by speakers of various Tibetic languages. It is also used as a given name by Mongols, seen as early as the Yuan dynasty. As a Mongolian name, it has various spellings such as Rinchin, Renchin, or Erinchin. People with Rinchen as one of their given names, or as a patronymic, include:
Buddhist leaders and teachers
Rinchen Chok of Ma (), one of the disciples of Padmasambhava
Rinchen Zangpo (958–1055), translator of Sanskrit Buddhist texts into Tibetan
Yeshe Rinchen (1248–1294), Imperial Preceptor at the court of the Yuan dynasty
Rinchen Gyaltsen (–1305), ruler of the Sakya school
Buton Rinchen Drub (1290–1364), eleventh abbot of Shalu Monastery
Gendün Rinchen (1926–1997), 69th Je Khenpo of Bhutan
Sonam Rinchen (1933–2013), teacher of Buddhist philosophy and practice in Dharamshala, India
Mongol nobility
Rinchinbal Khan (1326–1332), tenth emperor of the Yuan dynasty
Erinchin Lobsang Tayiji (), prince of the Khalkha federation of Western Mongolia
Sengge Rinchen (1811–1865), Qing dynasty nobleman and general from Inner Mongolia