Guayabillo is the common name for a number of species of plant. It may refer to:
- Myrciaria ibarrae
- Psidium oligospermum
- Psidium guineense
- Psidium sartorianum
- Quararibea asterolepis
- Ginoria nudiflora[1]
- ^ "Ginoria nudiflora (Hemsl.) Koehne". www.gbif.org. Retrieved 2024-07-24.