Kramer vs. Kramer is a 1979 American legal drama film written and directed by Robert Benton, based on Avery Corman's 1977 novel. The film stars Dustin Hoffman, Meryl Streep, Justin Henry and Jane Alexander. It tells the story of a couple's divorce, its impact on their young son, and the subsequent evolution of their relationship and views on parenting. Kramer vs. Kramer explores the psychology and fallout of divorce, and touches on prevailing or emerging social issues, such as gender roles, fathers' rights, work-life balance, and single parents.

Kramer vs. Kramer was theatrically released December 19, 1979, by Columbia Pictures. The film emerged as a major commercial success at the box office, grossing more than $173 million on an $8 million budget, becoming the highest-grossing film of 1979 in the United States and Canada. It received widespread critical acclaim upon release, with high praise for its direction, story, screenplay and performances of the cast, with major praise directed towards Hoffman and Streep's performances.

Kramer vs. Kramer received a leading 9 nominations at the 52nd Academy Awards, including Best Supporting Actor (for Henry) and Best Supporting Actress (for Alexander), and won a leading 5 awards – Best Picture, Best Director (for Benton), Best Actor (for Hoffman), Best Supporting Actress (for Streep) and Best Adapted Screenplay. At the 37th Golden Globe Awards, the film received a leading 8 nominations, including Best Director (for Benton), Best Supporting Actor – Motion Picture (for Henry) and Best Supporting Actress – Motion Picture (for Alexander), and won a leading 4 awards, including Best Motion Picture – Drama, Best Actor in a Motion Picture – Drama (for Hoffman) and Best Supporting Actress – Motion Picture (for Streep). It also received 6 nominations at the 34th British Academy Film Awards, including Best Film, Best Direction (for Benton), Best Actor in a Leading Role (for Hoffman) and Best Actress in a Leading Role (for Streep).