Jonathan Kieser "Poss" Miller (December 26, 1899 – August 22, 1971) was an American football player and coach.

[1] Miller played college football as a quarterback at the University of Pennsylvania from 1920 to 1922 under coach John Heisman.

[4] Miller also played the last five games of the 1923 football season for the Frankford Yellow Jackets alongside his brother, Heinie.

[4] Miller served as the head football coach at Franklin & Marshall College in Lancaster, Pennsylvania for three seasons, from 1928 to 1930, compiling a record of 15–11–1.

Miller died at the age of 71, on August 22, 1971, at Delaware County Memorial Hospital in Drexel Hill, Pennsylvania.