Rivkah Sarah "Robby" Hoffman is a Canadian-American actress. Born in Brooklyn, New York, she began her career as a writer and is known for her work on The Chris Gethard Show, Baroness Von Sketch Show, Workin' Moms, and Odd Squad, the latter of which won an Emmy Award for Outstanding Writing for a Children's, Preschool Children's, Family Viewing in 2019. Hoffman released her first stand-up special, I'm Nervous, in 2019. She was named one of Comedy Central's Up Next comedians in 2018, appeared on Conan O'Brien's Comics to Watch list, as well as on Vulture's The Comedians You Should and Will Know in 2020.

Hoffman was nominated in 2025 for a Primetime Emmy Award for Outstanding Guest Actress in a Comedy Series for her recurring role as Randi in the HBO Max comedy-drama Hacks. The New York Times called her "a breakout star" and a "fan favorite".