Patricia Knight (April 28, 1915 – October 26, 2004) was an American actress who appeared in a few movies in the late 1940s and early 1950s. She was born as Marjorie Heintzen.

After meeting actor Cornel Wilde at a booking agent's office in late 1936, the couple eloped to Elkton, Maryland. They had one daughter, Wendy. They divorced on August 30, 1951. She married Danish businessman Niels Larson on October 24, 1954, and moved with him to Europe.

She and Larson returned to the United States in 1969. Larson died in 1971. She later married building adviser David Wright, and moved with him to Hemet, California, where Wright died on May 22, 1996. Patricia Knight died in Hemet in 2004, aged 89.

Patricia McPherson (born November 27, 1954 in Oak Harbor, Washington) is an American actress. She is most well known for her role in the 1980s hit TV series Knight Rider as Bonnie Barstow, KITT's mechanic. She appeared in season one and was absent from season two, but she was subsequently asked to return to the show, which she did in the season-three opener, remaining from 1984 until the end of the series in 1986.

Patricia has made guest appearances in a variety of television shows including Starman, Murder, She Wrote, MacGyver, Matlock, and Star Trek: The Next Generation in the season 1 episode entitled Angel One as Ariel.

Today, Patricia McPherson is very active conserving wildlife and the forests; her efforts have included helping in attempts to preserve the Ballona Wetlands in southern California and working with the Ballona Wetlands Trust to sue the Playa Vista community for failure to take action concerning methane.

She retired from acting in 1991, although she made a cameo appearance as a Regent in the Syfy television series "Warehouse 13" (season 1, episode 10) in 2009.