Brian Baumgartner is an American actor. He is best known for his role as Kevin Malone on the NBC sitcom The Office (2005–2013) and its related spin-off webisodes, which earned him two Screen Actors Guild Awards and two Daytime Emmy Awards.

Baumgartner had starring roles in Into Temptation (2009), Ordinary World (2016), and Electric Jesus (2020). He had a supporting voice role in Rumble (2021). Baumgartner had a main voice role as Walter on the Netflix animated series Trash Truck (2020–2021), as well as recurring roles on the Amazon Prime Video series Hand of God (2017) and the Hulu series The Other Black Girl (2023).

Born in Atlanta, Georgia, Baumgartner attended Holy Innocents' Episcopal School. He attended and graduated from The Westminster Schools in 1991, one year before his co-star on The Office Ed Helms graduated. During his time at The Westminster School, Baumgartner competed in competitive speech events for drama, reaching the national finals his senior year. Between his junior and senior year of high school,  he also attended Northwestern University's National High School Institute, and focused on theater there. Baumgartner later attended Southern Methodist University, where he majored in theater and graduated in 1995. 

He later moved to Los Angeles and was Artistic Director of Hidden Theatre in Minneapolis, where he received multiple awards for artistic and acting excellence. Baumgartner later performed regionally at the Guthrie Theater, Berkeley Repertory Theatre, Children's Theater Company, and Theatre de la Jeune Lune. 

Baumgartner has had roles on the television shows Jake in Progress, Arrested Development and Everwood. He served as a celebrity talent scout on Last Comic Standing with his The Office co-star Kate Flannery and starred with Robin Williams, Mandy Moore and John Krasinski in License to Wed. He also appeared in Ingrid Michaelson's music video for "Time Machine".