Gemma Nierga Barris (born 1 November 1965) is a Spanish journalist who has spent most of her professional career as a radio and television presenter.

Gemma Nierga earned a licentiate in journalism from the Autonomous University of Barcelona, where she studied photojournalism under Manel Armengol [es].

[1] She entered the public eye in 1984 as the presenter of a film program on Radio Vilassar de Dalt, as well as appearing on Calella Televisión in Maresme, Barcelona.

In 1995, she presented the program El destino en sus manos [es] on Televisión Española (TVE) and, in 1997, Hablando con Gemma, broadcast on the regional channels Nou, Telemadrid, Euskal Telebista, and Canal Sur.

[7]In July 2004, Nierga married José Antonio Cabanillas, lieutenant mayor for the United Left in the city of Córdoba, where she went to reside.

[10] After a decade away from television, on 11 April 2008, she premiered the weekly talk show Ya te vale on the TVE channel La 1, an adaptation of the BBC program What Kids Really Think, where children interview celebrity guests.

[15] In November 2017, Nierga received the Non-sexist Communication Award for her career from the Association of Women Journalists of Catalonia [es].

[18] On 21 September 2020, she began presenting Cafè d’idees, produced by RTVE Catalunya and broadcast simultaneously on La 2 and Ràdio 4.