Ytterbium(III) nitrate is an inorganic compound, a salt of ytterbium and nitric acid with the chemical formula Yb(NO3)3.

[3][4] Reaction of ytterbium and nitric oxide in ethyl acetate: Reaction of ytterbium hydroxide and nitric acid: Ytterbium(III) nitrate forms colorless hygroscopic crystals.

Forms crystalline hydrates of the composition Yb(NO3)3·nH2O, where n = 4, 5, or 6.

Ytterbium(III) nitrate hydrate is used for nanoscale coatings of carbon composites.

[6] Also used to obtain metallic ytterbium and as a chemical reagent.