Frank Findley Mackay (July 20, 1832 – May 6, 1923) was an American actor and author.

[1] He was vice president and the chairman of the executive committee of the Actors Fund of America.

[1] He started in theater in 1848 at the Arch Street repertory theatre in Philadelphia, Pennsylvania.

[2] In 1863, he married Elizabeth J. Sneathan and they had three children, Charles Donald, Edward, and William Andrew Mackay.

[2] He died on May 6, 1923, in Fort Lee, New Jersey, at the home of his son, Charles.