Amanda Tanen is a fictional character in the American dramedy series Ugly Betty and spin-off web-series Mode After Hours. She is played by Becki Newton. Like Henry Grubstick, Amanda shares a last name with a real-life member of Ugly Betty's production staff — writer Brian Tanen.

Ugly Betty is an American comedy-drama television series developed by Silvio Horta that aired on ABC from September 28, 2006, to April 14, 2010. The series is based on Fernando Gaitán's Colombian telenovela Yo soy Betty, la fea, which has had many other international adaptations. It revolves the character Betty Suarez, who – despite her lack of style – lands a job at a prestigious fashion magazine. It was produced by Silent H, Ventanarosa, and Reveille Productions partnered with ABC Studios, with Salma Hayek, Horta, Ben Silverman, Jose Tamez, and Joel Fields serving as executive producers. The pilot was filmed in New York City; seasons one and two were filmed in Los Angeles and seasons three and four were filmed in New York City.