Ralph I
# Ralph I

Ralph I may refer to:

* Rudolph of France (c. 890 – 936)
* Ralph I, Count of Vermandois (1085–1152)
* Ralph I, Lord of Coucy (c. 1134 – 1191)
* Ralph I, Count of Eu (b. 1160/1165 – d. 1219)
* Raoul I of Brienne, Count of Eu (d. 1344)
* The fictional King Ralph
