| Llewellyn Ivor Price | |
| Birth Date: | October 9, 1905 |
| Birth Place: | Santa Maria, Rio Grande do Sul, Brazil |
| Death Place: | Rio de Janeiro, Brazil |
| Field: | Palaeontology, geology |
Llewellyn Ivor Price (October 9, 1905 - June 9, 1980) was one of the first Brazilian paleontologists. His work contributed not only to the development of Brazilian but also to global paleontology. He collected Staurikosaurus in 1936, the first dinosaur discovered in Brazil.
Price was born in Santa Maria on October 9, 1905. The son of American parents, he studied chemistry and graduated in zoology and geology in the United States. After being professor at Harvard he returned to Brazil.
He died of a heart attack in Rio de Janeiro on June 9, 1980, aged 79.