Jeísa Chiminazzo,born April 12 is a Brazilian supermodel currently residing in New York.

Jeísa grew up in Muçum, RS, Brazil, born to parents Ernani and Ivone of Italian and German blood. She has two sisters, namely Grace (6 years older) and Jessica (5 years younger). She was discovered in 1998 at the age of 13 by a Brazilian actor and was promptly presented to a local modeling agency.

Only a year after first gracing the covers of local magazines was Jeisa Chiminazzo signed to the prestigious IMG Models in New York, appearing in Italian editions of ELLE and Marie Claire. The year 2000 brought many fashion campaigns, both local and international, seeing the Brazilian teen in campaigns such as Emanuel Ungaro. Though it wasn't until July 2005 that Jeísa got her big break, adorning French Vogue's cover and well establishing her within the industry.

Jeisa Chiminazzo has now starred on the covers of at least six different editions of Vogue (Brazilian, Spanish, French, German, Japanese and Russian) and has become one of the most successful contemporary runway models. As of 2006, Jeísa has featured in campaigns for Calvin Klein, Roberto Cavalli, Dolce & Gabbana, Hugo Boss, Hermès, H&M, Victoria's Secret and Paul & Joe, as well as in editorials in i-D magazine, Japanese Vogue and L'Uomo Vogue.

She completed her final highschool years via the Internet and speaks four languages (Portuguese, English, Italian, and German).