Rainald III.
Rainald III. is the name of the following people:
- Rainald III. (Burgundy) (~ 1093–1148), Count of Mâcon and Vienne and Count of Burgundy
- Rainald III. (Joigny) (before 1096–1150), Count of Joigny
- Rainald III. (Geldern) (1333–1371), Duke of Geldern
