Monteiroa may refer to:
*
''Monteiroa'' (katydid), a genus of katydids in the family
Tettigoniidae
Insects in the family Tettigoniidae are commonly called katydids (especially in North America), or bush crickets. They have previously been known as "long-horned grasshoppers". More than 8,000 species are known. Part of the suborder Ensifera, t ...
*
''Monteiroa'' (plant), a genus of plants in the family Malvaceae
{{Genus disambiguation