Nena Erb, ACE, is a Los Angeles–based picture editor. Raised in an Asian immigrant family, she pursued an art degree before entering the entertainment industry through a range of production roles, including associate producing. That experience led her to editing, where she combined visual sensibility with narrative craft, establishing a career editing projects for studios and platforms including HBO, Apple, Universal, and others.

Erb's television work includes significant contributions to HBO's Insecure (2016), where she edited multiple episodes across several seasons from 2018 to 2021, and to the CW's Crazy Ex-Girlfriend (2015), editing episodes from 2017 to 2019. Her credits also include HBO's Generation (2021), Apple TV+'s Little America (2020), Being Mary Jane (2013), Real Husbands of Hollywood (2013), and competition and reality series such as Top Chef (2006) and Dancing with the Stars (2005). Earlier in her career, she worked extensively in unscripted television and reality programming.

In feature film, Erb edited Joy Ride (2023), directed by Adele Lim, and Downtown Owl (2023). She has also edited short films and television movies, maintaining a parallel presence in long-form and short-form storytelling.

Erb won the Primetime Emmy Award for Outstanding Single-Camera Picture Editing for a Comedy Series in 2020 for Insecure (2016), episode "Lowkey Trying" (2020), shared with Lynarion Hubbard, and previously won a Primetime Emmy Award in 2016 for Outstanding Picture Editing for an Unstructured Reality Program for Project Greenlight (2001), episode "Accident Waiting to Happen." She received an additional Primetime Emmy nomination in 2022 for Insecure (2016), episode "Choices, Okay?!" (2021). Her work has also earned multiple American Cinema Editors Eddie Award nominations for Insecure (2016) and Crazy Ex-Girlfriend (2015). She won the Hollywood Professional Association Award in 2020 for Outstanding Editing for Insecure (2016), episode "Lowkey Trying" (2020).

Erb is a member of the American Cinema Editors.