Grandis may refer to:
- Grandis (company), a company producing magnetoresistive random-access memory
- Grandis (surname)
- Mitsubishi Grandis, a large multi-purpose vehicle
- Pizza Grandis, the most popular frozen pizza in Norway
- Latin binomial abbreviations for species
- A. grandis (disambiguation)
- B. grandis (disambiguation)
- C. grandis (disambiguation)
- D. grandis (disambiguation)
- E. grandis (disambiguation)
- F. grandis (disambiguation)
- G. grandis (disambiguation)
- H. grandis (disambiguation)
- I. grandis (disambiguation)
- L. grandis (disambiguation)
- M. grandis (disambiguation)
- N. grandis (disambiguation)
- O. grandis (disambiguation)
- P. grandis (disambiguation)
- R. grandis (disambiguation)
- S. grandis (disambiguation)
- T. grandis (disambiguation)
- U. grandis (disambiguation)
- V. grandis
- W. grandis (disambiguation)
- Z. grandis (disambiguation)
- subspecies and hybrids
- Dactylorhiza × grandis, an orchid hybrid between D. fuchsii and D. praetermissa found in Western Europe
- Orobanche californica ssp. grandis, a subspecies of the California broomrape, a plant native to western North America from British Columbia to Idaho to Baja California
- Strix ocellata ssp. grandis, a subspecies of the mottled wood owl, a large owl species found in India