Triamcinolone is a synthetic corticosteroid pharmaceutical substance commonly used in the treatment of various inflammatory and allergic conditions. Its precise chemical name is 9-fluoro-11β,16α,17,21-tetrahydroxypregna-1,4-diene-3,20-dione.

The Chemical Abstracts Service (CAS) registry number for triamcinolone is 124-94-7.