Alvan Markle (August 29, 1861 – March 19, 1931) was an American banker, businessman, engineer, and inventor based in Hazleton, Pennsylvania.
He was the son of George Bushar Markle (1827–1888), a rural carpenter and ingenious inventor who became a successful banker and coal operator.
Alvan was the brother of John Markle, who established the John and Mary Markle Foundation.
Alvan, his father, and his brothers were instrumental in making Hazleton a financial and industrial hub through their inventions and their initiative in establishing regional transportation systems, electric power, extraction technologies, as well as social and educational institutions.