James Oswald Jacoby (April 4, 1933 – February 8, 1991) was an American bridge player and writer.
(He wrote a re-branded newspaper bridge column after his father's death.)
He and his mother Mary Zita Jacoby co-wrote The New York Times Book of Backgammon (1973).
Jacoby was a resident of Richardson, Texas, when he died of cancer in a Dallas hospital at age 58.
He was survived by his wife Judy, his son Jim Jacoby, Jr., and his brother Jon.