S. aurantiaca

S. aurantiaca may refer to:
 * Sandersonia aurantiaca, the Christmas bell, golden lily of the valley or Chinese lantern lily, a perennial plant species native to South Africa
 * Schinia aurantiaca, a moth species found in North America
 * Sepiola aurantiaca, the golden bobtail, a squid species native to the northeastern Atlantic Ocean
 * Stigmatella aurantiaca, a myxobacterium species