Arianna Puello or Ari (Arianna Isabel Puello Pereyra) (born 16 January 1977 in San Pedro de Macorís, Dominican Republic) is a Spanish rapper of Dominican descent. Her single "Juana Kalamidad" reached number six on the Spanish Singles Chart.
She lived in Dominican Republic before moving to Salt (Girona, Catalonia, Spain) when she was 8 years old. She started out in the world of hip hop in 1993 when she recorded a song with a friend, and later joined a band with Bano known as N.O.Del KRIB (Nacidos Originalmente del Karibe). After they split up, she joined another band, Discípulos del Micro, but she had her first hit with a collaboration on El Meswy's first album, Mujer chunga. In 1998, she released her first solo album, El tentempié .