Joseph J. Holup (February 26, 1934 – January 28, 1998) was an American basketball player.

[2] Holup held George Washington's record for most career points until 2003, when he was surpassed by Chris Monroe.

After college, Holup was selected with the fifth overall pick of the 1956 NBA draft by the Syracuse Nationals.

[5] He spent the 1959–1960 season with the Williamssport Billies where he averaged 12.4 points and 6.9 rebounds.

[6][7] He started the following season with the Baltimore Bullets before being obtain by the Wilkes-Barre Barons in a cash deal in January 1961.