List of Famous people born in Pennsylvania, United States of America

Michael Joseph Connelly is an American author of detective novels and other crime fiction, notably those featuring LAPD Detective Hieronymus "Harry" Bosch and criminal defense attorney Mickey Haller. Connelly is the bestselling author of 31 novels and one work of non-fiction, with over 74 million copies of his books sold worldwide and translated into 40 foreign languages. His first novel, The Black Echo, won the Mystery Writers of America Edgar Award for Best First Novel in 1992. In 2002, Clint Eastwood directed and starred in the movie adaptation of Connelly's 1997 novel, Blood Work. In March 2011, the movie adaptation of Connelly's novel The Lincoln Lawyer starred Matthew McConaughey as Mickey Haller. Connelly was the President of the Mystery Writers of America from 2003 to 2004.

Mitchell Jay Feigenbaum was an American mathematical physicist whose pioneering studies in chaos theory led to the discovery of the Feigenbaum constants.

Jack Klugman was an American actor of stage, film, and television.

Ann Jemima Allebach was an American minister, educator and suffragette. She was the first woman ordained as a Mennonite minister in North America, on January 15, 1911. There was not another Mennonite woman ordained until 1973.

Timothy James Kazurinsky is an American actor and screenwriter best known as a cast member and writer on Saturday Night Live and for his role as Carl Sweetchuck in the Police Academy films.

Martha Grimes is an American writer of detective fiction. She is best known for a series featuring Richard Jury, a Scotland Yard inspector.

Grover Dale is an American actor, dancer, choreographer, theater director, and publisher.

Nancy Colbert Friday was an American author who wrote on the topics of female sexuality and liberation. Her writings argue that women have often been reared under an ideal of womanhood, which was outdated and restrictive, and largely unrepresentative of many women's true inner lives, and that openness about women's hidden lives could help free women to truly feel able to enjoy being themselves. She asserts that this is not due to deliberate malice, but due to social expectation, and that for women's and men's benefit alike it is healthier that both be able to be equally open, participatory and free to be accepted for who and what they are.

William Thaddeus Coleman Jr. was an American attorney and judge. Coleman was the fourth United States Secretary of Transportation, from March 7, 1975, to January 20, 1977, and the second African American to serve in the United States Cabinet. As an attorney, Coleman played a major role in significant civil rights cases. At the time of his death, Coleman was the oldest living former Cabinet member.

Lori Williams is an American actress who is known for her performance in the 1965 cult film Faster, Pussycat! Kill! Kill!.