S. cinnamomea may refer to: Sporophila cinnamomea, the chestnut seedeater, a bird species found in Argentina, Brazil, Paraguay and Uruguay Synallaxis cinnamomea, the stripe-breasted spinetail, a bird species found in Trinidad, Tobago, Venezuela and Colombia Syrnola cinnamomea, a sea snail species found off Japan
See also Cinnamomea (disambiguation)