Ettore Arrigoni degli Oddi

Count Ettore Arrigoni degli Oddi MBOU (13 October 1867 – 16 February 1942), was an Italian ornithologist.

In 1896 he was elected a member of the British Ornithologists' Union. Ettore Arrigoni degli Oddi was also a "Tring" correspondent.

In 1911 he founded the Rivista Italiana di Ornitologia, (RIO) a scientific journal on ornithology, together with Filippo Cavazza (1886–1953), Francesco Chigi (1881–1953), Alessandro Ghigi (1875–1970), Giacinto Martorelli (1855–1917) and Tommaso Salvadori (1835–1923). The journal still exists today.