Manuel "Flaco" Ibáñez Martínez (born 17 October 1946) is a Mexican actor and comedian who has appeared in over 140 films and television shows in Mexico.

He has worked with many well known actors, such as Carmen Salinas, Luis de Alba, Alfonso Zayas, Andrés García, Isela Vega, Rafael Inclán, Mario Almada, Sasha Montenegro and Agustín Bernal.

Ibáñez teaches acting as part of the Centro de Capacitación Artística (CEA) ("Artistic Training Center") of the media company Televisa.

He made his television writing debut on the 2005 sitcom Vecinos ("Neighbours"), produced by Eugenio Derbez, in which he also appeared in a recurring acting role.

In 2006, Ibáñez moved to Argentina for a major role in the telenovela-sitcom Amor mío ("My Love"), starring Raúl Araiza and Vanessa Guzmán, eventually appearing in 112 episodes over two seasons.