Arria was a 1st-century Roman woman who committed suicide.

Arria may also refer to:

Arria (mantis), a genus of insects in the family Haaniidae Arria gens, an ancient Roman family Arria the Younger, daughter of Arria Arria (philosopher), Platonist of the 2nd century Arria Galla, a somewhat common misspelling or misprinting of Atria Galla Arria NLG, a UK-based artificial intelligence company Diego Arria (born 1938), Venezuelan diplomat and politician Arria, a family of field-programmable gate arrays from Altera (now Intel)

See also Aria (disambiguation)