The third season of 30 Rock, an American television comedy series, consists of 22 episodes and began airing on October 30, 2008, on the NBC network in the United States. The season was produced by Broadway Video, Little Stranger, and NBC Universal; the executive producers were series creator Tina Fey, Lorne Michaels, Marci Klein, David Miner, and Robert Carlock.

Elizabeth Stamatina "Tina" Fey is an American comedian, actress, writer, and producer. Fey was a cast member and head writer for the NBC sketch comedy series Saturday Night Live from 1997 to 2006. After her departure from SNL, she created the NBC sitcom 30 Rock and the Netflix sitcom Unbreakable Kimmy Schmidt (2015–2020), the former of which she also starred in. Fey is also known for her work in film, including Mean Girls (2004), Baby Mama (2008), Date Night (2010), Megamind (2010), Muppets Most Wanted (2014), Sisters (2015), Whiskey Tango Foxtrot (2016), Wine Country (2019), Soul (2020), A Haunting in Venice (2023), and Mean Girls (2024).