S. cinnamomea

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