Diamante or diamanté may refer to:

• Rhinestone, a diamond simulant
• Sequin, a small shiny disk-shaped ornament

• Diamante, Entre Ríos, a municipio in Diamante Department
• Diamante Caldera, a volcanic caldera partly in the Province of Mendoza
• Diamante River, a river in the Province of Mendoza
• Laguna del Diamante, a lake in the Province of Mendoza

• Diamante, Paraíba, Brazil, a municipality
• Diamante Caldera, Chile, a volcanic caldera partly in Santiago Metropolitan Region
• Diamante, Calabria, Italy, a comune in the province of Cosenza

• Diamante (musician) (born 1996), American singer and songwriter
• David Diamante (born 1971), American ring announcer
• Fra Diamante (1430–1498), Italian fresco painter
• Juan Bautista Diamante (1625–1687), Spanish dramatist
• Diamante Medaglia Faini (1724–1770), Italian poet and composer
• Diamante (wrestler, born 1992), also known as Luís Mante, Mexican luchador
• Diamante (wrestler, born 1991), Cuban American professional wrestler
• Diamante Azul (born 1982), Mexican luchador enmascarado
• Diamante Merybrown, Spanish drag queen

• Diamante Music Group, a California-based independent record label distributor
• Diamante, a 1988 album by Sasha Sökol, or the title song
• Diamanté, a 2017 EP by At the Drive-In
• Diamante (Zucchero Fornaciari song), 1989
• Diamante (Morissette song), 2016

• Diamante citron, a type of citron fruit from Italy
• Mitsubishi Diamante, a car built by Mitsubishi Motors between 1990 and 2004
• Diamante, a character in the Japanese manga series One Piece

• All pages with titles beginning with Diamante
• Diamond (disambiguation)