Garnier de Rochefort (died ) was a French churchman who was successively abbot of (1175âÂÂ1180), abbot of Clairvaux (1186âÂÂ1193) and Bishop of Langres (1193âÂÂ1199).
Garnier was descended from a noble family of Rochefort-sur-Brévon. He first became a monk at the . In 1180, he became the prior, then in 1186 abbot, of Clairvaux. In 1193, on the death of , he was elected bishop of Langres. Charged in Rome with profligate overspending by , he was suspended by Pope Innocent III. He then made a pilgrimage to the Holy Land. On his return, he resigned and retired to Clairvaux until his death, which likely occurred in 1225 (though certain 19th-century historians say 1200).