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

Michael Howard Harris is an American mathematician and professor of mathematics at Columbia University who specializes in number theory and representation theory. He made notable contributions to the Langlands program, for which he won the 2007 Clay Research Award. In particular, he proved the local Langlands conjecture for GL(n) over a p-adic local field, and he was part of the team that proved the Sato–Tate conjecture.

James Franklin Crow was Professor Emeritus of Genetics at the University of Wisconsin–Madison and a prominent population geneticist whose career spanned from the modern synthesis to the genomic era.

Michael Joseph Bransfield is a American prelate of the Roman Catholic Church. Bransfield served as bishop of the Diocese of Wheeling-Charleston in West Virginia from 2005 to 2018.

Haldan Keffer Hartline was an American physiologist who was a co-recipient of the 1967 Nobel Prize in Physiology or Medicine for his work in analyzing the neurophysiological mechanisms of vision.

Abby Mann was an American film writer and producer.

John Lesher is an American film producer, best known for winning the Academy Award for Best Picture for the 2014 film Birdman.

Carl Frank Macek was an American screenwriter, script editor, voice actor, director, casting director, dialogue and voice director, storyboard artist and producer on numerous English language adaptations of anime during the 1980s and 1990s. His work is considered by many to have been instrumental in creating mainstream awareness of Japanese animation in the United States.

Edward Kilenyi, Jr. was a classical pianist. He was born in Philadelphia, Pennsylvania on May 7, 1910. Kilenyi, Jr. studied in Hungary with the composer/pianist Ernő Dohnányi at the Franz Liszt Academy of Music, earning a diploma in 1930. He later became a Professor of Music at Florida State University in Tallahassee, Florida in 1953, four years after Dohnanyi began teaching there. He died on January 6, 2000. A collection of recordings of his concerts is located at the International Piano Archives at the University of Maryland (IPAM).

Ron Kass was an American businessman, recording executive, manager of The Beatles, and film producer. Kass worked with at least four recording companies: Liberty, MGM, Warner Brothers, and Apple Records.

George Harry Heilmeier was an American engineer, manager, and a pioneering contributor to liquid crystal displays (LCDs), for which he was inducted into the National Inventors Hall of Fame. Heilmeier's work is an IEEE Milestone.