James Keach (born December 7, 1947) is an American actor and filmmaker. He is the younger brother of actor Stacy Keach and son of actor Stacy Keach Sr.

James Peckham Keach was born in Savannah, Georgia, the son of Mary Cain (nee Peckham), an actress, and Walter Stacy Keach Sr., a drama coach, actor, writer, and producer. His brother, Stacy Keach, is an actor and narrator. Keach received his undergraduate degree from Northwestern University in 1970, a M.F.A. from the Yale School of Drama, and is also a classically trained Shakespearean actor.

Best known as a producer and director, Keach has also acted, most famously portraying Jesse James in the 1980 film The Long Riders, a film which he co-wrote and produced. Johnny Cash was so taken by the film that he and June Carter became close friends with Keach and asked him to be involved in the development of Walk the Line, which Keach produced. Keach also appeared in numerous supporting roles in films such as National Lampoon's Vacation with Chevy Chase, The Razor's Edge opposite Bill Murray, and Wildcats with Goldie Hawn. He also played a leading role in the 1985 comedy film Moving Violations as Deputy Hank Halik.

He was the director of the 1993 TV series and 1999 film Dr. Quinn, Medicine Woman which starred his wife, Jane Seymour, and other episodic television. Most recently he has directed and produced Waiting for Forever and Blind Dating. He directed a documentary, Glen Campbell: I'll Be Me, about country music singer Glen Campbell and his battle with Alzheimer's disease, that was released in October 2014. He won a Grammy Award on March 14, 2021, as producer for the documentary Linda Ronstadt The Sound of My Voice.^{[citation needed]}

In 2010, Keach received the Ellis Island Medal of Honor.^{[citation needed]}

Keach was married to Holly Collins, sister of Judy Collins. Their marriage produced a son, Kalen Keach. Sometime after his marriage to Collins ended, he married Mimi Maynard. Their marriage lasted until 1993.

In 1993, Keach married actress Jane Seymour. The couple had twin boys, born November 30, 1995, John Stacy and Kristopher Steven, who were named after family friends Johnny Cash and Christopher Reeve, and James's brother, actor Stacy Keach. In June 2007, both Keach and Seymour became patrons of Meningitis UK. On April 12, 2013, it was announced that the couple separated. The divorce was finalized in December 2015.

In 2024, Keach married Nancy Falkin Lynn at their home in Malibu.^{[citation needed]}