Roger of Ellant was a Christian abbot who is considered blessed by the Catholic Church.
He was the founding abbot of the Élan Abbey [fr] in the Diocese of Rheims.
According to Alban Butler,Having embraced the Cistercian order at Leroy, or Locus Regis, in Berry, he was chosen abbot of Elan, near Retel, in Champagne, and died about the year 1175.
His remains are enshrined in a chapel, which bears his name, in the church at Elan, where his festival is kept with a mass in his honour on the 13th of February.
See Chatelain, on the 4th of January, on which day his name occurs in a Cistercian calendar printed at Dijon.