The sixth season of 30 Rock, an American television comedy series on the NBC network in the United States, began airing on January 12, 2012. 30 Rock was renewed for a sixth season by NBC on November 15, 2010. The season began airing mid-season to accommodate Tina Fey's pregnancy. On November 14, 2011, NBC announced that 30 Rock would return at the new time of 8:00 pm.

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).