A new and unique Agave plant named ‘;Blue Ivory’; characterized by low mounded plant habit of long, linear, slightly-folded, distally-reflexed, variegated leaves having wide creamy-white margins with bluish-green centers and light bluish-green blush in the intermediate region. The leaves have firm, sharp medium-sized marginal and small apical spines and show occasional imprints from marginal spies of leaves above or below. The plant is useful in the landscape as a specimen, en masse, or also in a container in the home or landscape.