Isabella Melo (born in April, 1993 in Brazil) is a professional fashion model from Brazil. She was discovered in 2009, but had her big breakthrough in 2011.

She has walked the catwalk in fashion shows for Miu Miu, Giorgio Armani, Edun, Dolce & Gabbana, Nicolas Andreas Taralis, Alessa, Kenzo, Oscar De La Renta, Chanel, Altuzarra, Ports 1961, Glória Coelho, Animale, Maria Filó, Cantão, Suno, Cori, Victor Dzenk, Costello Tagliapietra, Lino Villaventura, Osklen, Ingrid Vlasov, Coven, Giulietta, Emporio Armani, Priscilla Darolt, Cushnie et Ochs, Mara Mac, Tsumori Chisato, Filhas de Gaia, Preen, Giulia Borges, Patricia Viera, Jason Wu, Marco de Vincenzo, Givenchy, Halston, Iódice, Paula Raia, Juliana Jabour, Huis Clos, Gaspard Yurkievich, Espaço, Lorella Signorino Atelier, Melk Z Da, Sta Ephigênia, AF Vandevorst, Moschino Cheap & Chic, Patachou, Alexandre Herchcovitch, Proenza Schouler, Yigal Azrouël, Custo Barcelona, Reinaldo Lourenço, Doo.Ri, Ruffian, Ágatha, Parah, Samuel Cirnansck, Genny, Pierre Ancy, Simonetta Ravizza, Barbara Bela, So Jung Wan, Badgley Mischka, Cholet, Têca, Sacada, Ter et Bantine, Cavendish, Triton, Maria Bonita, Coca-Cola Clothing, Tufi Duek, Afghan, Paco Rabanne, Mary Zaide, Gabriele Colangelo, Felipe Oliveira Baptista, Walter Rodrigues, 2nd Floor, Acquastudio, Oh Boy!, Ann Demeulemeester, Honor, Blugirl, Just Cavalli and Carlos Miele.

She also did campaign work for Triton.

She appeared in editorials for Jalouse, The Ones 2 Watch, Elle Brasil and Glamour France.

She's currently signed with Premier Models in London, Uno Models in Barcelona, Women Management in Milan, Ford Models in Sao Paulo, and with IMG Models in New York and Paris.