John Michael Lutz is an American actor, comedian, and screenwriter. He is best known for playing J. D. Lutz on the NBC sitcom 30 Rock, and for his work as a writer on the NBC series Saturday Night Live for seven seasons. In 2014, he joined the writing staff of the NBC late-night talk show Late Night with Seth Meyers.

30 Rock is an American satirical sitcom television series created by Tina Fey that originally aired on NBC from October 11, 2006, to January 31, 2013. The series, based on Fey's experiences as head writer for Saturday Night Live, takes place behind the scenes of a fictional live sketch comedy show depicted as airing on NBC. The series's name refers to 30 Rockefeller Plaza in New York City, where the NBC Studios are located and where Saturday Night Live is written, produced, and performed. The series was produced by Lorne Michaels's Broadway Video and Fey's Little Stranger, in association with NBCUniversal.