Jassi Jaissi Koi Nahin is an Indian soap opera which aired on Sony Entertainment Television from 1 September 2003 to 4 May 2006. The series was an Indian-themed version of the Colombian drama Yo soy Betty, la fea.

Yo soy Betty, la fea, often referred to simply as Betty, la fea, is a Colombian telenovela created by Fernando Gaitán. It aired from 25 October 1999 to 8 May 2001 on RCN. Ana María Orozco stars as the titular character, alongside Jorge Enrique Abello, Natalia Ramírez, Lorna Cepeda, Luis Mesa and Julián Arango.