| Engeltrude de Fézensac | |
| Countess of Orléans | |
| Death Date: | 853 |
| Burial Place: | Basilique Saint-Denis |
| Noble Family: | Girard (by birth) Udalriching (by marriage) |
| Spouse: | Odo I, Count of Orléans |
| Issue: | Ermentrude, Queen of West Francia |
| Father: | Leuthard I of Paris |
| Mother: | Grimhilda |
Engeltrude de Fézensac (also Ingeltrud, Ingeltrude, or Ingeltrudis Fidentiacus in contemporary Latin; – 853) was the Countess of Orléans via her marriage in 825[1] to Odo I, Count of Orléans. Their eldest daughter, Ermentrude, married Charles the Bald of West Francia. They also had a son, William, who was executed by his own brother-in-law in 866.
Engeltrude was the only daughter of Leuthard I of Paris and his wife, Grimhilda (also known as Grimeut d'Alsace); her brothers were Adalard the Seneschal and Girart de Roussillon.