# A. grandis

A. grandis may refer to:
* Abacetus grandis, a ground beetle
* Abies grandis, the grand fir, giant fir, lowland white fir, great silver fir, Western white fir, Vancouver fir or Oregon fir, a tree species native to the Pacific Northwest and Northern California of North America
* Acanthastrea grandis, a synonym of Acanthastrea echinata, the starry cup coral
* Acanthodactylus grandis, the giant fringe-fingered lizard, found in western Asia
* Acanthodica grandis, a moth found in Mexico
* Aceraius grandis, a bess beetle
* Achillea grandis, a synonym of Achillea ptarmica, a plant native to Europe and western Asia
* Achlaena grandis, a mantis found in Central Africa
* Acridotheres grandis, the great myna, a bird found in Asia
* Acromantis grandis, a mantis found in Vietnam and Nepal
* Acropora grandis, a stony coral
* Adejeania grandis, a tachinid fly found in South America
* Adelinia grandis, Pacific hound's tongue, a plant native to western North America
* Admete grandis, a synonym of Admete viridula, a sea snail found in circumarctic waters and the northwest Atlantic Ocean
* Aedophron grandis, a synonym of Copablepharon grandis, the pale yellow dune moth, found in North America
* Aenictus grandis, an army ant found in Asia
* Aeshna grandis, the brown hawker, a large dragonfly species widespread in England
* Aglaia grandis, a plant found in Asia
* Aigialus grandis, a fungus
* Aiphanes grandis, a plant found in Ecuador
* Alatina grandis, a box jellyfish found in the Pacific Ocean
* Alcaeorrhynchus grandis, the giant strong-nosed stink bug, found in the Americas
* Alcedo grandis, a synonym of Alcedo hercules, Blyth's kingfisher, a bird found in Asia
* Alliaria grandis, a synonym of Dysoxylum grande, a tree found in Asia
* Allographa grandis, a lichen found in Cameroon
* Alopias grandis, a prehistoric shark
* Alternanthera grandis, a plant species endemic to Ecuador
* Amblypneustes grandis, a sea urchin
* Amphilius grandis, a catfish found in Kenya
* Aname grandis, a spider found in Australia
* Anametalia grandis, a sea urchin
* Anastrepha grandis, the South American cucurbit fruit fly
* Anchinia grandis, a moth found in Europe
* Androphana grandis, a synonym of Strongygaster globula, a tachinid fly found in Europe and Asia
* Angistorhinus grandis, an extinct phytosaur species found in Texas and Wyoming in the United States and that lived from the Late Triassic period
* Angoleumolpus grandis, a synonym of Afroeurydemus bipunctatus, a leaf beetle found in Africa
* Anisophyllea grandis, a tree found in Malaysia
* Antennaria grandis, a synonym of Antennaria howellii, a plant found in North America
* Anthonomus grandis, the boll weevil, an insect found in the Americas
* Aplonis grandis, the brown-winged starling, a bird found in the Solomon Islands
* Araeoscelis grandis, a prehistoric tetrapod
* Archaeopteryx grandis, a synonym of Wellnhoferia grandis, a prehistoric dinosaur
* Archilestes grandis, the great spreadwing, a damselfly found in the Americas
* Arctopsyche grandis, a caddisfly found in North America
* Arctotis grandis, a synonym of Arctotis stoechadifolia, a plant found in South Africa
* Armillifer grandis, a tongue worm found in Africa
* Astelia grandis, a plant species in the genus Astelia native to New Zealand
* Asthenotricha grandis, a moth found in Rwanda
* Aublysodon grandis, a nomen dubium given to a large number of carnivorous dinosaur teeth
* Automolis grandis, a synonym of Echeta grandis, a moth found in Ecuador