Ytre Rendal is a former municipality in Hedmark county, Norway.
It was originally (from 1837) a part of Rendal formannskapsdistrikt. On January 1, 1880 Rendal was split in two to create the municipalities Ytre Rendal and Øvre Rendal. At the point of creation Ytre Rendal had a population of 1 661.
After border adjustments in the municipalities Ytre Rendal and Øvre Rendal, Tolga og Trysil, the new municipality Engerdal was created on January 1, 1911. Ytre Rendal ceded a district with 311 inhabitants to Engerdal.
On January 1, 1965 the new municipality Rendalen was created by merging Ytre and Øvre Rendal. Before the merger Ytre Rendal had a population of 1 913.
Notable people include Peder E. Vorum, mayor from 1913 to 1934.